129847991

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{203843}}^1$

素因数の和:203870

約数の個数: 12

約数和(自身を含む): 162667512

約数和(自身を除く): 32819521

約数列:

[1, 7, 13, 49, 91, 637, 203843, 1426901, 2649959, 9988307, 18549713, 129847991]

約数ペア:

[(1, 129847991), (7, 18549713), (13, 9988307), (49, 2649959), (91, 1426901), (637, 203843)]