289430307

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{70991}}^1$

素因数の和:71151

約数の個数: 16

約数和(自身を含む): 431631360

約数和(自身を除く): 142201053

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 70991, 212973, 638919, 1916757, 10719641, 32158923, 96476769, 289430307]

約数ペア:

[(1, 289430307), (3, 96476769), (9, 32158923), (27, 10719641), (151, 1916757), (453, 638919), (1359, 212973), (4077, 70991)]