12931989

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{32411}}^1$

素因数の和:32440

約数の個数: 16

約数和(自身を含む): 20743680

約数和(自身を除く): 7811691

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 32411, 97233, 226877, 615809, 680631, 1847427, 4310663, 12931989]

約数ペア:

[(1, 12931989), (3, 4310663), (7, 1847427), (19, 680631), (21, 615809), (57, 226877), (133, 97233), (399, 32411)]