1999829511

素因数分解:

$3^2\times {\mathrm{281}}^1\times {\mathrm{331}}^1\times {\mathrm{2389}}^1$

素因数の和:3007

約数の個数: 24

約数和(自身を含む): 2908897680

約数和(自身を除く): 909068169

約数列:

[1, 3, 9, 281, 331, 843, 993, 2389, 2529, 2979, 7167, 21501, 93011, 279033, 671309, 790759, 837099, 2013927, 2372277, 6041781, 7116831, 222203279, 666609837, 1999829511]

約数ペア:

[(1, 1999829511), (3, 666609837), (9, 222203279), (281, 7116831), (331, 6041781), (843, 2372277), (993, 2013927), (2389, 837099), (2529, 790759), (2979, 671309), (7167, 279033), (21501, 93011)]