12812787

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2671}}^1$

素因数の和:2731

約数の個数: 24

約数和(自身を含む): 20424768

約数和(自身を除く): 7611981

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 2671, 4797, 8013, 24039, 34723, 104169, 109511, 312507, 328533, 985599, 1423643, 4270929, 12812787]

約数ペア:

[(1, 12812787), (3, 4270929), (9, 1423643), (13, 985599), (39, 328533), (41, 312507), (117, 109511), (123, 104169), (369, 34723), (533, 24039), (1599, 8013), (2671, 4797)]