81239963

素因数分解:

$7^1\times {\mathrm{151}}^2\times {\mathrm{509}}^1$

素因数の和:818

約数の個数: 12

約数和(自身を含む): 93648240

約数和(自身を除く): 12408277

約数列:

[1, 7, 151, 509, 1057, 3563, 22801, 76859, 159607, 538013, 11605709, 81239963]

約数ペア:

[(1, 81239963), (7, 11605709), (151, 538013), (509, 159607), (1057, 76859), (3563, 22801)]