12722985

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{25703}}^1$

素因数の和:25725

約数の個数: 24

約数和(自身を含む): 24058944

約数和(自身を除く): 11335959

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 25703, 77109, 128515, 231327, 282733, 385545, 848199, 1156635, 1413665, 2544597, 4240995, 12722985]

約数ペア:

[(1, 12722985), (3, 4240995), (5, 2544597), (9, 1413665), (11, 1156635), (15, 848199), (33, 385545), (45, 282733), (55, 231327), (99, 128515), (165, 77109), (495, 25703)]