20180147805

素因数分解:

$3^2\times 5^1\times {\mathrm{448447729}}^1$

素因数の和:448447740

約数の個数: 12

約数和(自身を含む): 34978922940

約数和(自身を除く): 14798775135

約数列:

[1, 3, 5, 9, 15, 45, 448447729, 1345343187, 2242238645, 4036029561, 6726715935, 20180147805]

約数ペア:

[(1, 20180147805), (3, 6726715935), (5, 4036029561), (9, 2242238645), (15, 1345343187), (45, 448447729)]