205121472291

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{321003869}}^1$

素因数の和:321003946

約数の個数: 12

約数和(自身を含む): 300459622320

約数和(自身を除く): 95338150029

約数列:

[1, 3, 9, 71, 213, 639, 321003869, 963011607, 2889034821, 22791274699, 68373824097, 205121472291]

約数ペア:

[(1, 205121472291), (3, 68373824097), (9, 22791274699), (71, 2889034821), (213, 963011607), (639, 321003869)]