31090878

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:93

約数の個数: 192

約数和(自身を含む): 92951040

約数和(自身を除く): 61860162

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 37, 38, 39, 42, 54, 57, 63, 74, 78, 81, 91, 111, 114, 117, 126, 133, 162, 171, 182, 189, 222, 234, 243, 247, 259, 266, 273, 333, 342, 351, 378, 399, 481, 486, 494, 513, 518, 546, 567, 666, 702, 703, 741, 777, 798, 819, 962, 999, 1026, 1053, 1134, 1197, 1406, 1443, 1482, 1539, 1554, 1638, 1701, 1729, 1998, 2106, 2109, 2223, 2331, 2394, 2457, 2886, 2997, 3078, 3159, 3367, 3402, 3458, 3591, 4218, 4329, 4446, 4617, 4662, 4914, 4921, 5187, 5994, 6318, 6327, 6669, 6734, 6993, 7182, 7371, 8658, 8991, 9139, 9234, 9842, 10101, 10374, 10773, 12654, 12987, 13338, 13986, 14742, 14763, 15561, 17982, 18278, 18981, 20007, 20202, 20979, 21546, 22113, 25974, 27417, 29526, 30303, 31122, 32319, 37962, 38961, 40014, 41958, 44226, 44289, 46683, 54834, 56943, 60021, 60606, 62937, 63973, 64638, 77922, 82251, 88578, 90909, 93366, 113886, 116883, 120042, 125874, 127946, 132867, 140049, 164502, 170829, 181818, 191919, 233766, 246753, 265734, 272727, 280098, 341658, 383838, 398601, 420147, 493506, 545454, 575757, 740259, 797202, 818181, 840294, 1151514, 1195803, 1480518, 1636362, 1727271, 2220777, 2391606, 3454542, 4441554, 5181813, 10363626, 15545439, 31090878]

約数ペア:

[(1, 31090878), (2, 15545439), (3, 10363626), (6, 5181813), (7, 4441554), (9, 3454542), (13, 2391606), (14, 2220777), (18, 1727271), (19, 1636362), (21, 1480518), (26, 1195803), (27, 1151514), (37, 840294), (38, 818181), (39, 797202), (42, 740259), (54, 575757), (57, 545454), (63, 493506), (74, 420147), (78, 398601), (81, 383838), (91, 341658), (111, 280098), (114, 272727), (117, 265734), (126, 246753), (133, 233766), (162, 191919), (171, 181818), (182, 170829), (189, 164502), (222, 140049), (234, 132867), (243, 127946), (247, 125874), (259, 120042), (266, 116883), (273, 113886), (333, 93366), (342, 90909), (351, 88578), (378, 82251), (399, 77922), (481, 64638), (486, 63973), (494, 62937), (513, 60606), (518, 60021), (546, 56943), (567, 54834), (666, 46683), (702, 44289), (703, 44226), (741, 41958), (777, 40014), (798, 38961), (819, 37962), (962, 32319), (999, 31122), (1026, 30303), (1053, 29526), (1134, 27417), (1197, 25974), (1406, 22113), (1443, 21546), (1482, 20979), (1539, 20202), (1554, 20007), (1638, 18981), (1701, 18278), (1729, 17982), (1998, 15561), (2106, 14763), (2109, 14742), (2223, 13986), (2331, 13338), (2394, 12987), (2457, 12654), (2886, 10773), (2997, 10374), (3078, 10101), (3159, 9842), (3367, 9234), (3402, 9139), (3458, 8991), (3591, 8658), (4218, 7371), (4329, 7182), (4446, 6993), (4617, 6734), (4662, 6669), (4914, 6327), (4921, 6318), (5187, 5994)]