12981105

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4729}}^1$

素因数の和:4801

約数の個数: 24

約数和(自身を含む): 22874280

約数和(自身を除く): 9893175

約数列:

[1, 3, 5, 9, 15, 45, 61, 183, 305, 549, 915, 2745, 4729, 14187, 23645, 42561, 70935, 212805, 288469, 865407, 1442345, 2596221, 4327035, 12981105]

約数ペア:

[(1, 12981105), (3, 4327035), (5, 2596221), (9, 1442345), (15, 865407), (45, 288469), (61, 212805), (183, 70935), (305, 42561), (549, 23645), (915, 14187), (2745, 4729)]