31128993

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{10513}}^1$

素因数の和:10573

約数の個数: 24

約数和(自身を含む): 52485888

約数和(自身を除く): 21356895

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 10513, 31539, 73591, 94617, 220773, 494111, 662319, 1482333, 3458777, 4446999, 10376331, 31128993]

約数ペア:

[(1, 31128993), (3, 10376331), (7, 4446999), (9, 3458777), (21, 1482333), (47, 662319), (63, 494111), (141, 220773), (329, 94617), (423, 73591), (987, 31539), (2961, 10513)]