12199185

素因数分解:

$3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{647}}^1$

素因数の和:1077

約数の個数: 24

約数和(自身を含む): 21228480

約数和(自身を除く): 9029295

約数列:

[1, 3, 5, 9, 15, 45, 419, 647, 1257, 1941, 2095, 3235, 3771, 5823, 6285, 9705, 18855, 29115, 271093, 813279, 1355465, 2439837, 4066395, 12199185]

約数ペア:

[(1, 12199185), (3, 4066395), (5, 2439837), (9, 1355465), (15, 813279), (45, 271093), (419, 29115), (647, 18855), (1257, 9705), (1941, 6285), (2095, 5823), (3235, 3771)]