117680213

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{2131}}^1$

素因数の和:2182

約数の個数: 20

約数和(自身を含む): 143321568

約数和(自身を除く): 25641355

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2131, 2401, 7889, 14917, 49013, 55223, 104419, 343091, 730933, 2401637, 5116531, 16811459, 117680213]

約数ペア:

[(1, 117680213), (7, 16811459), (23, 5116531), (49, 2401637), (161, 730933), (343, 343091), (1127, 104419), (2131, 55223), (2401, 49013), (7889, 14917)]