68515551

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{41}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 118359696

約数和(自身を除く): 49844145

約数列:

[1, 3, 9, 13, 23, 27, 39, 41, 69, 81, 117, 123, 207, 243, 299, 351, 369, 529, 533, 621, 897, 943, 1053, 1107, 1587, 1599, 1863, 2691, 2829, 3159, 3321, 4761, 4797, 5589, 6877, 8073, 8487, 9963, 12259, 14283, 14391, 20631, 21689, 24219, 25461, 36777, 42849, 43173, 61893, 65067, 72657, 76383, 110331, 128547, 129519, 185679, 195201, 229149, 281957, 330993, 557037, 585603, 845871, 992979, 1671111, 1756809, 2537613, 2978937, 5270427, 7612839, 22838517, 68515551]

約数ペア:

[(1, 68515551), (3, 22838517), (9, 7612839), (13, 5270427), (23, 2978937), (27, 2537613), (39, 1756809), (41, 1671111), (69, 992979), (81, 845871), (117, 585603), (123, 557037), (207, 330993), (243, 281957), (299, 229149), (351, 195201), (369, 185679), (529, 129519), (533, 128547), (621, 110331), (897, 76383), (943, 72657), (1053, 65067), (1107, 61893), (1587, 43173), (1599, 42849), (1863, 36777), (2691, 25461), (2829, 24219), (3159, 21689), (3321, 20631), (4761, 14391), (4797, 14283), (5589, 12259), (6877, 9963), (8073, 8487)]