18290205

素因数分解:

$3^4\times 5^1\times {\mathrm{45161}}^1$

素因数の和:45178

約数の個数: 20

約数和(自身を含む): 32787612

約数和(自身を除く): 14497407

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 45161, 135483, 225805, 406449, 677415, 1219347, 2032245, 3658041, 6096735, 18290205]

約数ペア:

[(1, 18290205), (3, 6096735), (5, 3658041), (9, 2032245), (15, 1219347), (27, 677415), (45, 406449), (81, 225805), (135, 135483), (405, 45161)]