12506805

素因数分解:

$3^4\times 5^1\times {\mathrm{30881}}^1$

素因数の和:30898

約数の個数: 20

約数和(自身を含む): 22420332

約数和(自身を除く): 9913527

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 30881, 92643, 154405, 277929, 463215, 833787, 1389645, 2501361, 4168935, 12506805]

約数ペア:

[(1, 12506805), (3, 4168935), (5, 2501361), (9, 1389645), (15, 833787), (27, 463215), (45, 277929), (81, 154405), (135, 92643), (405, 30881)]