81230526

素因数分解:

$2^1\times 3^5\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1$

素因数の和:109

約数の個数: 144

約数和(自身を含む): 211026816

約数和(自身を除く): 129796290

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 27, 39, 43, 46, 54, 69, 78, 81, 86, 117, 129, 138, 162, 169, 207, 234, 243, 258, 299, 338, 351, 387, 414, 486, 507, 559, 598, 621, 702, 774, 897, 989, 1014, 1053, 1118, 1161, 1242, 1521, 1677, 1794, 1863, 1978, 2106, 2322, 2691, 2967, 3042, 3159, 3354, 3483, 3726, 3887, 4563, 5031, 5382, 5589, 5934, 6318, 6966, 7267, 7774, 8073, 8901, 9126, 10062, 10449, 11178, 11661, 12857, 13689, 14534, 15093, 16146, 17802, 20898, 21801, 23322, 24219, 25714, 26703, 27378, 30186, 34983, 38571, 41067, 43602, 45279, 48438, 53406, 65403, 69966, 72657, 77142, 80109, 82134, 90558, 104949, 115713, 130806, 135837, 145314, 160218, 167141, 196209, 209898, 231426, 240327, 271674, 314847, 334282, 347139, 392418, 480654, 501423, 588627, 629694, 694278, 944541, 1002846, 1041417, 1177254, 1504269, 1765881, 1889082, 2082834, 3008538, 3124251, 3531762, 4512807, 6248502, 9025614, 13538421, 27076842, 40615263, 81230526]

約数ペア:

[(1, 81230526), (2, 40615263), (3, 27076842), (6, 13538421), (9, 9025614), (13, 6248502), (18, 4512807), (23, 3531762), (26, 3124251), (27, 3008538), (39, 2082834), (43, 1889082), (46, 1765881), (54, 1504269), (69, 1177254), (78, 1041417), (81, 1002846), (86, 944541), (117, 694278), (129, 629694), (138, 588627), (162, 501423), (169, 480654), (207, 392418), (234, 347139), (243, 334282), (258, 314847), (299, 271674), (338, 240327), (351, 231426), (387, 209898), (414, 196209), (486, 167141), (507, 160218), (559, 145314), (598, 135837), (621, 130806), (702, 115713), (774, 104949), (897, 90558), (989, 82134), (1014, 80109), (1053, 77142), (1118, 72657), (1161, 69966), (1242, 65403), (1521, 53406), (1677, 48438), (1794, 45279), (1863, 43602), (1978, 41067), (2106, 38571), (2322, 34983), (2691, 30186), (2967, 27378), (3042, 26703), (3159, 25714), (3354, 24219), (3483, 23322), (3726, 21801), (3887, 20898), (4563, 17802), (5031, 16146), (5382, 15093), (5589, 14534), (5934, 13689), (6318, 12857), (6966, 11661), (7267, 11178), (7774, 10449), (8073, 10062), (8901, 9126)]