15330275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 19903488

約数和(自身を除く): 4573213

約数列:

[1, 5, 25, 31, 131, 151, 155, 655, 755, 775, 3275, 3775, 4061, 4681, 19781, 20305, 23405, 98905, 101525, 117025, 494525, 613211, 3066055, 15330275]

約数ペア:

[(1, 15330275), (5, 3066055), (25, 613211), (31, 494525), (131, 117025), (151, 101525), (155, 98905), (655, 23405), (755, 20305), (775, 19781), (3275, 4681), (3775, 4061)]