2001002991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1251409}}^1$

素因数の和:1251466

約数の個数: 16

約数和(自身を含む): 2943316320

約数和(自身を除く): 942313329

約数列:

[1, 3, 13, 39, 41, 123, 533, 1599, 1251409, 3754227, 16268317, 48804951, 51307769, 153923307, 667000997, 2001002991]

約数ペア:

[(1, 2001002991), (3, 667000997), (13, 153923307), (39, 51307769), (41, 48804951), (123, 16268317), (533, 3754227), (1599, 1251409)]