81393837

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{29587}}^1$

素因数の和:29728

約数の個数: 16

約数和(自身を含む): 124979712

約数和(自身を除く): 43585875

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 29587, 88761, 207109, 621327, 3875897, 11627691, 27131279, 81393837]

約数ペア:

[(1, 81393837), (3, 27131279), (7, 11627691), (21, 3875897), (131, 621327), (393, 207109), (917, 88761), (2751, 29587)]