11791575

素因数分解:

$3^6\times 5^2\times {\mathrm{647}}^1$

素因数の和:675

約数の個数: 42

約数和(自身を含む): 21956184

約数和(自身を除く): 10164609

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 405, 647, 675, 729, 1215, 1941, 2025, 3235, 3645, 5823, 6075, 9705, 16175, 17469, 18225, 29115, 48525, 52407, 87345, 145575, 157221, 262035, 436725, 471663, 786105, 1310175, 2358315, 3930525, 11791575]

約数ペア:

[(1, 11791575), (3, 3930525), (5, 2358315), (9, 1310175), (15, 786105), (25, 471663), (27, 436725), (45, 262035), (75, 157221), (81, 145575), (135, 87345), (225, 52407), (243, 48525), (405, 29115), (647, 18225), (675, 17469), (729, 16175), (1215, 9705), (1941, 6075), (2025, 5823), (3235, 3645)]