218425605

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{856571}}^1$

素因数の和:856596

約数の個数: 16

約数和(自身を含む): 370039104

約数和(自身を除く): 151613499

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 856571, 2569713, 4282855, 12848565, 14561707, 43685121, 72808535, 218425605]

約数ペア:

[(1, 218425605), (3, 72808535), (5, 43685121), (15, 14561707), (17, 12848565), (51, 4282855), (85, 2569713), (255, 856571)]