2166125

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:102

約数の個数: 32

約数和(自身を含む): 3075072

約数和(自身を除く): 908947

約数列:

[1, 5, 13, 25, 31, 43, 65, 125, 155, 215, 325, 403, 559, 775, 1075, 1333, 1625, 2015, 2795, 3875, 5375, 6665, 10075, 13975, 17329, 33325, 50375, 69875, 86645, 166625, 433225, 2166125]

約数ペア:

[(1, 2166125), (5, 433225), (13, 166625), (25, 86645), (31, 69875), (43, 50375), (65, 33325), (125, 17329), (155, 13975), (215, 10075), (325, 6665), (403, 5375), (559, 3875), (775, 2795), (1075, 2015), (1333, 1625)]