31991919

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{5869}}^1$

素因数の和:5974

約数の個数: 16

約数和(自身を含む): 45081600

約数和(自身を除く): 13089681

約数列:

[1, 3, 23, 69, 79, 237, 1817, 5451, 5869, 17607, 134987, 404961, 463651, 1390953, 10663973, 31991919]

約数ペア:

[(1, 31991919), (3, 10663973), (23, 1390953), (69, 463651), (79, 404961), (237, 134987), (1817, 17607), (5451, 5869)]