57915879

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{19841}}^1$

素因数の和:19990

約数の個数: 16

約数和(自身を含む): 88892160

約数和(自身を除く): 30976281

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 19841, 59523, 138887, 416661, 2757899, 8273697, 19305293, 57915879]

約数ペア:

[(1, 57915879), (3, 19305293), (7, 8273697), (21, 2757899), (139, 416661), (417, 138887), (973, 59523), (2919, 19841)]