64783875

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 118145664

約数和(自身を除く): 53361789

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 97, 125, 137, 195, 291, 325, 375, 411, 485, 685, 975, 1261, 1455, 1625, 1781, 2055, 2425, 3425, 3783, 4875, 5343, 6305, 7275, 8905, 10275, 12125, 13289, 17125, 18915, 26715, 31525, 36375, 39867, 44525, 51375, 66445, 94575, 133575, 157625, 172757, 199335, 222625, 332225, 472875, 518271, 667875, 863785, 996675, 1661125, 2591355, 4318925, 4983375, 12956775, 21594625, 64783875]

約数ペア:

[(1, 64783875), (3, 21594625), (5, 12956775), (13, 4983375), (15, 4318925), (25, 2591355), (39, 1661125), (65, 996675), (75, 863785), (97, 667875), (125, 518271), (137, 472875), (195, 332225), (291, 222625), (325, 199335), (375, 172757), (411, 157625), (485, 133575), (685, 94575), (975, 66445), (1261, 51375), (1455, 44525), (1625, 39867), (1781, 36375), (2055, 31525), (2425, 26715), (3425, 18915), (3783, 17125), (4875, 13289), (5343, 12125), (6305, 10275), (7275, 8905)]