204390045

素因数分解:

$3^2\times 5^1\times {\mathrm{4542001}}^1$

素因数の和:4542012

約数の個数: 12

約数和(自身を含む): 354276156

約数和(自身を除く): 149886111

約数列:

[1, 3, 5, 9, 15, 45, 4542001, 13626003, 22710005, 40878009, 68130015, 204390045]

約数ペア:

[(1, 204390045), (3, 68130015), (5, 40878009), (9, 22710005), (15, 13626003), (45, 4542001)]