420122079

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:349

約数の個数: 64

約数和(自身を含む): 689920000

約数和(自身を除く): 269797921

約数列:

[1, 3, 9, 13, 27, 39, 79, 109, 117, 139, 237, 327, 351, 417, 711, 981, 1027, 1251, 1417, 1807, 2133, 2943, 3081, 3753, 4251, 5421, 8611, 9243, 10981, 12753, 15151, 16263, 25833, 27729, 32943, 38259, 45453, 48789, 77499, 98829, 111943, 136359, 142753, 196963, 232497, 296487, 335829, 409077, 428259, 590889, 1007487, 1196929, 1284777, 1772667, 3022461, 3590787, 3854331, 5318001, 10772361, 15560077, 32317083, 46680231, 140040693, 420122079]

約数ペア:

[(1, 420122079), (3, 140040693), (9, 46680231), (13, 32317083), (27, 15560077), (39, 10772361), (79, 5318001), (109, 3854331), (117, 3590787), (139, 3022461), (237, 1772667), (327, 1284777), (351, 1196929), (417, 1007487), (711, 590889), (981, 428259), (1027, 409077), (1251, 335829), (1417, 296487), (1807, 232497), (2133, 196963), (2943, 142753), (3081, 136359), (3753, 111943), (4251, 98829), (5421, 77499), (8611, 48789), (9243, 45453), (10981, 38259), (12753, 32943), (15151, 27729), (16263, 25833)]