12215265

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47903}}^1$

素因数の和:47928

約数の個数: 16

約数和(自身を含む): 20694528

約数和(自身を除く): 8479263

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 47903, 143709, 239515, 718545, 814351, 2443053, 4071755, 12215265]

約数ペア:

[(1, 12215265), (3, 4071755), (5, 2443053), (15, 814351), (17, 718545), (51, 239515), (85, 143709), (255, 47903)]