12970305

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6703}}^1$

素因数の和:6757

約数の個数: 24

約数和(自身を含む): 23008128

約数和(自身を除く): 10037823

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 6703, 20109, 33515, 60327, 100545, 288229, 301635, 864687, 1441145, 2594061, 4323435, 12970305]

約数ペア:

[(1, 12970305), (3, 4323435), (5, 2594061), (9, 1441145), (15, 864687), (43, 301635), (45, 288229), (129, 100545), (215, 60327), (387, 33515), (645, 20109), (1935, 6703)]