12788415

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2203}}^1$

素因数の和:2260

約数の個数: 32

約数和(自身を含む): 23274240

約数和(自身を除く): 10485825

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 215, 387, 645, 1161, 1935, 2203, 5805, 6609, 11015, 19827, 33045, 59481, 94729, 99135, 284187, 297405, 473645, 852561, 1420935, 2557683, 4262805, 12788415]

約数ペア:

[(1, 12788415), (3, 4262805), (5, 2557683), (9, 1420935), (15, 852561), (27, 473645), (43, 297405), (45, 284187), (129, 99135), (135, 94729), (215, 59481), (387, 33045), (645, 19827), (1161, 11015), (1935, 6609), (2203, 5805)]