81268035

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{285151}}^1$

素因数の和:285178

約数の個数: 16

約数和(自身を含む): 136872960

約数和(自身を除く): 55604925

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 285151, 855453, 1425755, 4277265, 5417869, 16253607, 27089345, 81268035]

約数ペア:

[(1, 81268035), (3, 27089345), (5, 16253607), (15, 5417869), (19, 4277265), (57, 1425755), (95, 855453), (285, 285151)]