256797279

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{771163}}^1$

素因数の和:771206

約数の個数: 12

約数和(自身を含む): 380955016

約数和(自身を除く): 124157737

約数列:

[1, 3, 9, 37, 111, 333, 771163, 2313489, 6940467, 28533031, 85599093, 256797279]

約数ペア:

[(1, 256797279), (3, 85599093), (9, 28533031), (37, 6940467), (111, 2313489), (333, 771163)]