389431881

素因数分解:

$3^4\times {\mathrm{1087}}^1\times {\mathrm{4423}}^1$

素因数の和:5522

約数の個数: 20

約数和(自身を含む): 582410752

約数和(自身を除く): 192978871

約数列:

[1, 3, 9, 27, 81, 1087, 3261, 4423, 9783, 13269, 29349, 39807, 88047, 119421, 358263, 4807801, 14423403, 43270209, 129810627, 389431881]

約数ペア:

[(1, 389431881), (3, 129810627), (9, 43270209), (27, 14423403), (81, 4807801), (1087, 358263), (3261, 119421), (4423, 88047), (9783, 39807), (13269, 29349)]