64790775

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1327}}^1$

素因数の和:1381

約数の個数: 72

約数和(自身を含む): 137007104

約数和(自身を除く): 72216329

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 45, 63, 75, 93, 105, 155, 175, 217, 225, 279, 315, 465, 525, 651, 775, 1085, 1327, 1395, 1575, 1953, 2325, 3255, 3981, 5425, 6635, 6975, 9289, 9765, 11943, 16275, 19905, 27867, 33175, 41137, 46445, 48825, 59715, 83601, 99525, 123411, 139335, 205685, 232225, 287959, 298575, 370233, 418005, 617055, 696675, 863877, 1028425, 1439795, 1851165, 2090025, 2591631, 3085275, 4319385, 7198975, 9255825, 12958155, 21596925, 64790775]

約数ペア:

[(1, 64790775), (3, 21596925), (5, 12958155), (7, 9255825), (9, 7198975), (15, 4319385), (21, 3085275), (25, 2591631), (31, 2090025), (35, 1851165), (45, 1439795), (63, 1028425), (75, 863877), (93, 696675), (105, 617055), (155, 418005), (175, 370233), (217, 298575), (225, 287959), (279, 232225), (315, 205685), (465, 139335), (525, 123411), (651, 99525), (775, 83601), (1085, 59715), (1327, 48825), (1395, 46445), (1575, 41137), (1953, 33175), (2325, 27867), (3255, 19905), (3981, 16275), (5425, 11943), (6635, 9765), (6975, 9289)]