25016061

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{887}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 40919040

約数和(自身を除く): 15902979

約数列:

[1, 3, 7, 17, 21, 51, 79, 119, 237, 357, 553, 887, 1343, 1659, 2661, 4029, 6209, 9401, 15079, 18627, 28203, 45237, 70073, 105553, 210219, 316659, 490511, 1191241, 1471533, 3573723, 8338687, 25016061]

約数ペア:

[(1, 25016061), (3, 8338687), (7, 3573723), (17, 1471533), (21, 1191241), (51, 490511), (79, 316659), (119, 210219), (237, 105553), (357, 70073), (553, 45237), (887, 28203), (1343, 18627), (1659, 15079), (2661, 9401), (4029, 6209)]