81319572

素因数分解:

$2^2\times 3^3\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1$

素因数の和:378

約数の個数: 96

約数和(自身を含む): 220631040

約数和(自身を除く): 139311468

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 93, 107, 108, 124, 186, 214, 227, 279, 321, 372, 428, 454, 558, 642, 681, 837, 908, 963, 1116, 1284, 1362, 1674, 1926, 2043, 2724, 2889, 3317, 3348, 3852, 4086, 5778, 6129, 6634, 7037, 8172, 9951, 11556, 12258, 13268, 14074, 19902, 21111, 24289, 24516, 28148, 29853, 39804, 42222, 48578, 59706, 63333, 72867, 84444, 89559, 97156, 119412, 126666, 145734, 179118, 189999, 218601, 253332, 291468, 358236, 379998, 437202, 655803, 752959, 759996, 874404, 1311606, 1505918, 2258877, 2623212, 3011836, 4517754, 6776631, 9035508, 13553262, 20329893, 27106524, 40659786, 81319572]

約数ペア:

[(1, 81319572), (2, 40659786), (3, 27106524), (4, 20329893), (6, 13553262), (9, 9035508), (12, 6776631), (18, 4517754), (27, 3011836), (31, 2623212), (36, 2258877), (54, 1505918), (62, 1311606), (93, 874404), (107, 759996), (108, 752959), (124, 655803), (186, 437202), (214, 379998), (227, 358236), (279, 291468), (321, 253332), (372, 218601), (428, 189999), (454, 179118), (558, 145734), (642, 126666), (681, 119412), (837, 97156), (908, 89559), (963, 84444), (1116, 72867), (1284, 63333), (1362, 59706), (1674, 48578), (1926, 42222), (2043, 39804), (2724, 29853), (2889, 28148), (3317, 24516), (3348, 24289), (3852, 21111), (4086, 19902), (5778, 14074), (6129, 13268), (6634, 12258), (7037, 11556), (8172, 9951)]