18115245

素因数分解:

$3^4\times 5^1\times {\mathrm{44729}}^1$

素因数の和:44746

約数の個数: 20

約数和(自身を含む): 32473980

約数和(自身を除く): 14358735

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 44729, 134187, 223645, 402561, 670935, 1207683, 2012805, 3623049, 6038415, 18115245]

約数ペア:

[(1, 18115245), (3, 6038415), (5, 3623049), (9, 2012805), (15, 1207683), (27, 670935), (45, 402561), (81, 223645), (135, 134187), (405, 44729)]