209215617

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{315559}}^1$

素因数の和:315592

約数の個数: 16

約数和(自身を含む): 318084480

約数和(自身を除く): 108868863

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 315559, 946677, 4102267, 5364503, 12306801, 16093509, 69738539, 209215617]

約数ペア:

[(1, 209215617), (3, 69738539), (13, 16093509), (17, 12306801), (39, 5364503), (51, 4102267), (221, 946677), (663, 315559)]