3975725

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{941}}^1$

素因数の和:977

約数の個数: 18

約数和(自身を含む): 5343966

約数和(自身を除く): 1368241

約数列:

[1, 5, 13, 25, 65, 169, 325, 845, 941, 4225, 4705, 12233, 23525, 61165, 159029, 305825, 795145, 3975725]

約数ペア:

[(1, 3975725), (5, 795145), (13, 305825), (25, 159029), (65, 61165), (169, 23525), (325, 12233), (845, 4705), (941, 4225)]