12987189

素因数分解:

$3^3\times {\mathrm{137}}^1\times {\mathrm{3511}}^1$

素因数の和:3657

約数の個数: 16

約数和(自身を含む): 19386240

約数和(自身を除く): 6399051

約数列:

[1, 3, 9, 27, 137, 411, 1233, 3511, 3699, 10533, 31599, 94797, 481007, 1443021, 4329063, 12987189]

約数ペア:

[(1, 12987189), (3, 4329063), (9, 1443021), (27, 481007), (137, 94797), (411, 31599), (1233, 10533), (3511, 3699)]