1621890045

素因数分解:

$3^2\times 5^1\times {\mathrm{36042001}}^1$

素因数の和:36042012

約数の個数: 12

約数和(自身を含む): 2811276156

約数和(自身を除く): 1189386111

約数列:

[1, 3, 5, 9, 15, 45, 36042001, 108126003, 180210005, 324378009, 540630015, 1621890045]

約数ペア:

[(1, 1621890045), (3, 540630015), (5, 324378009), (9, 180210005), (15, 108126003), (45, 36042001)]