12971763

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1889}}^1$

素因数の和:2011

約数の個数: 24

約数和(自身を含む): 21621600

約数和(自身を除く): 8649837

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 1889, 2289, 5667, 6867, 13223, 17001, 39669, 119007, 205901, 617703, 1441307, 1853109, 4323921, 12971763]

約数ペア:

[(1, 12971763), (3, 4323921), (7, 1853109), (9, 1441307), (21, 617703), (63, 205901), (109, 119007), (327, 39669), (763, 17001), (981, 13223), (1889, 6867), (2289, 5667)]