16581105

素因数分解:

$3^6\times 5^1\times {\mathrm{4549}}^1$

素因数の和:4572

約数の個数: 28

約数和(自身を含む): 29838900

約数和(自身を除く): 13257795

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3645, 4549, 13647, 22745, 40941, 68235, 122823, 204705, 368469, 614115, 1105407, 1842345, 3316221, 5527035, 16581105]

約数ペア:

[(1, 16581105), (3, 5527035), (5, 3316221), (9, 1842345), (15, 1105407), (27, 614115), (45, 368469), (81, 204705), (135, 122823), (243, 68235), (405, 40941), (729, 22745), (1215, 13647), (3645, 4549)]