31521282

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{404119}}^1$

素因数の和:404137

約数の個数: 16

約数和(自身を含む): 67892160

約数和(自身を除く): 36370878

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 404119, 808238, 1212357, 2424714, 5253547, 10507094, 15760641, 31521282]

約数ペア:

[(1, 31521282), (2, 15760641), (3, 10507094), (6, 5253547), (13, 2424714), (26, 1212357), (39, 808238), (78, 404119)]