31712919

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79481}}^1$

素因数の和:79510

約数の個数: 16

約数和(自身を含む): 50868480

約数和(自身を除く): 19155561

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 79481, 238443, 556367, 1510139, 1669101, 4530417, 10570973, 31712919]

約数ペア:

[(1, 31712919), (3, 10570973), (7, 4530417), (19, 1669101), (21, 1510139), (57, 556367), (133, 238443), (399, 79481)]