82138125

素因数分解:

$3^1\times 5^4\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:711

約数の個数: 40

約数和(自身を含む): 139005504

約数和(自身を除く): 56867379

約数列:

[1, 3, 5, 15, 25, 71, 75, 125, 213, 355, 375, 617, 625, 1065, 1775, 1851, 1875, 3085, 5325, 8875, 9255, 15425, 26625, 43807, 44375, 46275, 77125, 131421, 133125, 219035, 231375, 385625, 657105, 1095175, 1156875, 3285525, 5475875, 16427625, 27379375, 82138125]

約数ペア:

[(1, 82138125), (3, 27379375), (5, 16427625), (15, 5475875), (25, 3285525), (71, 1156875), (75, 1095175), (125, 657105), (213, 385625), (355, 231375), (375, 219035), (617, 133125), (625, 131421), (1065, 77125), (1775, 46275), (1851, 44375), (1875, 43807), (3085, 26625), (5325, 15425), (8875, 9255)]