15503967

素因数分解:

$3^4\times {\mathrm{277}}^1\times {\mathrm{691}}^1$

素因数の和:980

約数の個数: 20

約数和(自身を含む): 23277496

約数和(自身を除く): 7773529

約数列:

[1, 3, 9, 27, 81, 277, 691, 831, 2073, 2493, 6219, 7479, 18657, 22437, 55971, 191407, 574221, 1722663, 5167989, 15503967]

約数ペア:

[(1, 15503967), (3, 5167989), (9, 1722663), (27, 574221), (81, 191407), (277, 55971), (691, 22437), (831, 18657), (2073, 7479), (2493, 6219)]