81427297

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{22073}}^1$

素因数の和:22128

約数の個数: 16

約数和(自身を含む): 101716992

約数和(自身を除く): 20289695

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 22073, 154511, 375241, 684263, 2626687, 4789841, 11632471, 81427297]

約数ペア:

[(1, 81427297), (7, 11632471), (17, 4789841), (31, 2626687), (119, 684263), (217, 375241), (527, 154511), (3689, 22073)]