28536993

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3881}}^1$

素因数の和:3949

約数の個数: 24

約数和(自身を含む): 44410080

約数和(自身を除く): 15873087

約数列:

[1, 3, 9, 19, 43, 57, 129, 171, 387, 817, 2451, 3881, 7353, 11643, 34929, 73739, 166883, 221217, 500649, 663651, 1501947, 3170777, 9512331, 28536993]

約数ペア:

[(1, 28536993), (3, 9512331), (9, 3170777), (19, 1501947), (43, 663651), (57, 500649), (129, 221217), (171, 166883), (387, 73739), (817, 34929), (2451, 11643), (3881, 7353)]