257925

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 451360

約数和(自身を除く): 193435

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 181, 285, 475, 543, 905, 1425, 2715, 3439, 4525, 10317, 13575, 17195, 51585, 85975, 257925]

約数ペア:

[(1, 257925), (3, 85975), (5, 51585), (15, 17195), (19, 13575), (25, 10317), (57, 4525), (75, 3439), (95, 2715), (181, 1425), (285, 905), (475, 543)]