15981939

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{677}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 24044592

約数和(自身を除く): 8062653

約数列:

[1, 3, 9, 43, 61, 129, 183, 387, 549, 677, 2031, 2623, 6093, 7869, 23607, 29111, 41297, 87333, 123891, 261999, 371673, 1775771, 5327313, 15981939]

約数ペア:

[(1, 15981939), (3, 5327313), (9, 1775771), (43, 371673), (61, 261999), (129, 123891), (183, 87333), (387, 41297), (549, 29111), (677, 23607), (2031, 7869), (2623, 6093)]