39702357

素因数分解:

$3^2\times {\mathrm{47}}^2\times {\mathrm{1997}}^1$

素因数の和:2097

約数の個数: 18

約数和(自身を含む): 58623318

約数和(自身を除く): 18920961

約数列:

[1, 3, 9, 47, 141, 423, 1997, 2209, 5991, 6627, 17973, 19881, 93859, 281577, 844731, 4411373, 13234119, 39702357]

約数ペア:

[(1, 39702357), (3, 13234119), (9, 4411373), (47, 844731), (141, 281577), (423, 93859), (1997, 19881), (2209, 17973), (5991, 6627)]