12779487

素因数分解:

$3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1861}}^1$

素因数の和:1983

約数の個数: 24

約数和(自身を含む): 21301280

約数和(自身を除く): 8521793

約数列:

[1, 3, 7, 9, 21, 63, 109, 327, 763, 981, 1861, 2289, 5583, 6867, 13027, 16749, 39081, 117243, 202849, 608547, 1419943, 1825641, 4259829, 12779487]

約数ペア:

[(1, 12779487), (3, 4259829), (7, 1825641), (9, 1419943), (21, 608547), (63, 202849), (109, 117243), (327, 39081), (763, 16749), (981, 13027), (1861, 6867), (2289, 5583)]