81441759

素因数分解:

$3^1\times 7^1\times {\mathrm{1367}}^1\times {\mathrm{2837}}^1$

素因数の和:4214

約数の個数: 16

約数和(自身を含む): 124236288

約数和(自身を除く): 42794529

約数列:

[1, 3, 7, 21, 1367, 2837, 4101, 8511, 9569, 19859, 28707, 59577, 3878179, 11634537, 27147253, 81441759]

約数ペア:

[(1, 81441759), (3, 27147253), (7, 11634537), (21, 3878179), (1367, 59577), (2837, 28707), (4101, 19859), (8511, 9569)]