12155805

素因数分解:

$3^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{709}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 21811200

約数和(自身を除く): 9655395

約数列:

[1, 3, 5, 9, 15, 27, 45, 127, 135, 381, 635, 709, 1143, 1905, 2127, 3429, 3545, 5715, 6381, 10635, 17145, 19143, 31905, 90043, 95715, 270129, 450215, 810387, 1350645, 2431161, 4051935, 12155805]

約数ペア:

[(1, 12155805), (3, 4051935), (5, 2431161), (9, 1350645), (15, 810387), (27, 450215), (45, 270129), (127, 95715), (135, 90043), (381, 31905), (635, 19143), (709, 17145), (1143, 10635), (1905, 6381), (2127, 5715), (3429, 3545)]