1980121

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 2374848

約数和(自身を除く): 394727

約数列:

[1, 11, 13, 61, 143, 227, 671, 793, 2497, 2951, 8723, 13847, 32461, 152317, 180011, 1980121]

約数ペア:

[(1, 1980121), (11, 180011), (13, 152317), (61, 32461), (143, 13847), (227, 8723), (671, 2951), (793, 2497)]