12217305

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47911}}^1$

素因数の和:47936

約数の個数: 16

約数和(自身を含む): 20697984

約数和(自身を除く): 8480679

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 47911, 143733, 239555, 718665, 814487, 2443461, 4072435, 12217305]

約数ペア:

[(1, 12217305), (3, 4072435), (5, 2443461), (15, 814487), (17, 718665), (51, 239555), (85, 143733), (255, 47911)]