81363204

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:216

約数の個数: 144

約数和(自身を含む): 236291328

約数和(自身を除く): 154928124

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 47, 52, 54, 78, 81, 94, 108, 117, 137, 141, 156, 162, 188, 234, 243, 274, 282, 324, 351, 411, 423, 468, 486, 548, 564, 611, 702, 822, 846, 972, 1053, 1222, 1233, 1269, 1404, 1644, 1692, 1781, 1833, 2106, 2444, 2466, 2538, 3159, 3562, 3666, 3699, 3807, 4212, 4932, 5076, 5343, 5499, 6318, 6439, 7124, 7332, 7398, 7614, 10686, 10998, 11097, 11421, 12636, 12878, 14796, 15228, 16029, 16497, 19317, 21372, 21996, 22194, 22842, 25756, 32058, 32994, 33291, 38634, 44388, 45684, 48087, 49491, 57951, 64116, 65988, 66582, 77268, 83707, 96174, 98982, 115902, 133164, 144261, 148473, 167414, 173853, 192348, 197964, 231804, 251121, 288522, 296946, 334828, 347706, 432783, 502242, 521559, 577044, 593892, 695412, 753363, 865566, 1004484, 1043118, 1506726, 1564677, 1731132, 2086236, 2260089, 3013452, 3129354, 4520178, 6258708, 6780267, 9040356, 13560534, 20340801, 27121068, 40681602, 81363204]

約数ペア:

[(1, 81363204), (2, 40681602), (3, 27121068), (4, 20340801), (6, 13560534), (9, 9040356), (12, 6780267), (13, 6258708), (18, 4520178), (26, 3129354), (27, 3013452), (36, 2260089), (39, 2086236), (47, 1731132), (52, 1564677), (54, 1506726), (78, 1043118), (81, 1004484), (94, 865566), (108, 753363), (117, 695412), (137, 593892), (141, 577044), (156, 521559), (162, 502242), (188, 432783), (234, 347706), (243, 334828), (274, 296946), (282, 288522), (324, 251121), (351, 231804), (411, 197964), (423, 192348), (468, 173853), (486, 167414), (548, 148473), (564, 144261), (611, 133164), (702, 115902), (822, 98982), (846, 96174), (972, 83707), (1053, 77268), (1222, 66582), (1233, 65988), (1269, 64116), (1404, 57951), (1644, 49491), (1692, 48087), (1781, 45684), (1833, 44388), (2106, 38634), (2444, 33291), (2466, 32994), (2538, 32058), (3159, 25756), (3562, 22842), (3666, 22194), (3699, 21996), (3807, 21372), (4212, 19317), (4932, 16497), (5076, 16029), (5343, 15228), (5499, 14796), (6318, 12878), (6439, 12636), (7124, 11421), (7332, 11097), (7398, 10998), (7614, 10686)]