39897725

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{13411}}^1$

素因数の和:13445

約数の個数: 24

約数和(自身を含む): 59871168

約数和(自身を除く): 19973443

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 425, 595, 2975, 13411, 67055, 93877, 227987, 335275, 469385, 1139935, 1595909, 2346925, 5699675, 7979545, 39897725]

約数ペア:

[(1, 39897725), (5, 7979545), (7, 5699675), (17, 2346925), (25, 1595909), (35, 1139935), (85, 469385), (119, 335275), (175, 227987), (425, 93877), (595, 67055), (2975, 13411)]