18139545

素因数分解:

$3^4\times 5^1\times {\mathrm{44789}}^1$

素因数の和:44806

約数の個数: 20

約数和(自身を含む): 32517540

約数和(自身を除く): 14377995

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 44789, 134367, 223945, 403101, 671835, 1209303, 2015505, 3627909, 6046515, 18139545]

約数ペア:

[(1, 18139545), (3, 6046515), (5, 3627909), (9, 2015505), (15, 1209303), (27, 671835), (45, 403101), (81, 223945), (135, 134367), (405, 44789)]