2001231992511

素因数分解:

$3^2\times {\mathrm{431}}^1\times {\mathrm{515914409}}^1$

素因数の和:515914846

約数の個数: 12

約数和(自身を含む): 2897375326560

約数和(自身を除く): 896143334049

約数列:

[1, 3, 9, 431, 1293, 3879, 515914409, 1547743227, 4643229681, 222359110279, 667077330837, 2001231992511]

約数ペア:

[(1, 2001231992511), (3, 667077330837), (9, 222359110279), (431, 4643229681), (1293, 1547743227), (3879, 515914409)]