181997125

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 238298112

約数和(自身を除く): 56300987

約数列:

[1, 5, 25, 31, 67, 125, 155, 335, 701, 775, 1675, 2077, 3505, 3875, 8375, 10385, 17525, 21731, 46967, 51925, 87625, 108655, 234835, 259625, 543275, 1174175, 1455977, 2716375, 5870875, 7279885, 36399425, 181997125]

約数ペア:

[(1, 181997125), (5, 36399425), (25, 7279885), (31, 5870875), (67, 2716375), (125, 1455977), (155, 1174175), (335, 543275), (701, 259625), (775, 234835), (1675, 108655), (2077, 87625), (3505, 51925), (3875, 46967), (8375, 21731), (10385, 17525)]