12799731

素因数分解:

$3^1\times 7^4\times {\mathrm{1777}}^1$

素因数の和:1808

約数の個数: 20

約数和(自身を含む): 19920712

約数和(自身を除く): 7120981

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 1777, 2401, 5331, 7203, 12439, 37317, 87073, 261219, 609511, 1828533, 4266577, 12799731]

約数ペア:

[(1, 12799731), (3, 4266577), (7, 1828533), (21, 609511), (49, 261219), (147, 87073), (343, 37317), (1029, 12439), (1777, 7203), (2401, 5331)]