56747709

素因数分解:

$3^4\times {\mathrm{389}}^1\times {\mathrm{1801}}^1$

素因数の和:2202

約数の個数: 20

約数和(自身を含む): 85036380

約数和(自身を除く): 28288671

約数列:

[1, 3, 9, 27, 81, 389, 1167, 1801, 3501, 5403, 10503, 16209, 31509, 48627, 145881, 700589, 2101767, 6305301, 18915903, 56747709]

約数ペア:

[(1, 56747709), (3, 18915903), (9, 6305301), (27, 2101767), (81, 700589), (389, 145881), (1167, 48627), (1801, 31509), (3501, 16209), (5403, 10503)]