81641196

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:123

約数の個数: 216

約数和(自身を含む): 268579584

約数和(自身を除く): 186938388

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 71, 78, 81, 84, 91, 108, 117, 126, 142, 156, 162, 169, 182, 189, 213, 234, 243, 252, 273, 284, 324, 338, 351, 364, 378, 426, 468, 486, 497, 507, 546, 567, 639, 676, 702, 756, 819, 852, 923, 972, 994, 1014, 1053, 1092, 1134, 1183, 1278, 1404, 1491, 1521, 1638, 1701, 1846, 1917, 1988, 2028, 2106, 2268, 2366, 2457, 2556, 2769, 2982, 3042, 3159, 3276, 3402, 3549, 3692, 3834, 4212, 4473, 4563, 4732, 4914, 5538, 5751, 5964, 6084, 6318, 6461, 6804, 7098, 7371, 7668, 8307, 8946, 9126, 9828, 10647, 11076, 11502, 11999, 12636, 12922, 13419, 13689, 14196, 14742, 16614, 17253, 17892, 18252, 19383, 21294, 22113, 23004, 23998, 24921, 25844, 26838, 27378, 29484, 31941, 33228, 34506, 35997, 38766, 40257, 41067, 42588, 44226, 47996, 49842, 53676, 54756, 58149, 63882, 69012, 71994, 74763, 77532, 80514, 82134, 83993, 88452, 95823, 99684, 107991, 116298, 120771, 127764, 143988, 149526, 161028, 164268, 167986, 174447, 191646, 215982, 224289, 232596, 241542, 251979, 287469, 299052, 323973, 335972, 348894, 383292, 431964, 448578, 483084, 503958, 523341, 574938, 647946, 697788, 755937, 897156, 971919, 1007916, 1046682, 1149876, 1295892, 1511874, 1570023, 1943838, 2093364, 2267811, 2915757, 3023748, 3140046, 3887676, 4535622, 5831514, 6280092, 6803433, 9071244, 11663028, 13606866, 20410299, 27213732, 40820598, 81641196]

約数ペア:

[(1, 81641196), (2, 40820598), (3, 27213732), (4, 20410299), (6, 13606866), (7, 11663028), (9, 9071244), (12, 6803433), (13, 6280092), (14, 5831514), (18, 4535622), (21, 3887676), (26, 3140046), (27, 3023748), (28, 2915757), (36, 2267811), (39, 2093364), (42, 1943838), (52, 1570023), (54, 1511874), (63, 1295892), (71, 1149876), (78, 1046682), (81, 1007916), (84, 971919), (91, 897156), (108, 755937), (117, 697788), (126, 647946), (142, 574938), (156, 523341), (162, 503958), (169, 483084), (182, 448578), (189, 431964), (213, 383292), (234, 348894), (243, 335972), (252, 323973), (273, 299052), (284, 287469), (324, 251979), (338, 241542), (351, 232596), (364, 224289), (378, 215982), (426, 191646), (468, 174447), (486, 167986), (497, 164268), (507, 161028), (546, 149526), (567, 143988), (639, 127764), (676, 120771), (702, 116298), (756, 107991), (819, 99684), (852, 95823), (923, 88452), (972, 83993), (994, 82134), (1014, 80514), (1053, 77532), (1092, 74763), (1134, 71994), (1183, 69012), (1278, 63882), (1404, 58149), (1491, 54756), (1521, 53676), (1638, 49842), (1701, 47996), (1846, 44226), (1917, 42588), (1988, 41067), (2028, 40257), (2106, 38766), (2268, 35997), (2366, 34506), (2457, 33228), (2556, 31941), (2769, 29484), (2982, 27378), (3042, 26838), (3159, 25844), (3276, 24921), (3402, 23998), (3549, 23004), (3692, 22113), (3834, 21294), (4212, 19383), (4473, 18252), (4563, 17892), (4732, 17253), (4914, 16614), (5538, 14742), (5751, 14196), (5964, 13689), (6084, 13419), (6318, 12922), (6461, 12636), (6804, 11999), (7098, 11502), (7371, 11076), (7668, 10647), (8307, 9828), (8946, 9126)]