31471923

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78877}}^1$

素因数の和:78906

約数の個数: 16

約数和(自身を含む): 50481920

約数和(自身を除く): 19009997

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 78877, 236631, 552139, 1498663, 1656417, 4495989, 10490641, 31471923]

約数ペア:

[(1, 31471923), (3, 10490641), (7, 4495989), (19, 1656417), (21, 1498663), (57, 552139), (133, 236631), (399, 78877)]