66561375

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 120092544

約数和(自身を除く): 53531169

約数列:

[1, 3, 5, 15, 17, 25, 51, 53, 75, 85, 125, 159, 197, 255, 265, 375, 425, 591, 795, 901, 985, 1275, 1325, 2125, 2703, 2955, 3349, 3975, 4505, 4925, 6375, 6625, 10047, 10441, 13515, 14775, 16745, 19875, 22525, 24625, 31323, 50235, 52205, 67575, 73875, 83725, 112625, 156615, 177497, 251175, 261025, 337875, 418625, 532491, 783075, 887485, 1255875, 1305125, 2662455, 3915375, 4437425, 13312275, 22187125, 66561375]

約数ペア:

[(1, 66561375), (3, 22187125), (5, 13312275), (15, 4437425), (17, 3915375), (25, 2662455), (51, 1305125), (53, 1255875), (75, 887485), (85, 783075), (125, 532491), (159, 418625), (197, 337875), (255, 261025), (265, 251175), (375, 177497), (425, 156615), (591, 112625), (795, 83725), (901, 73875), (985, 67575), (1275, 52205), (1325, 50235), (2125, 31323), (2703, 24625), (2955, 22525), (3349, 19875), (3975, 16745), (4505, 14775), (4925, 13515), (6375, 10441), (6625, 10047)]