12788891145

素因数分解:

$3^4\times 5^1\times {\mathrm{31577509}}^1$

素因数の和:31577526

約数の個数: 20

約数和(自身を含む): 22925272260

約数和(自身を除く): 10136381115

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31577509, 94732527, 157887545, 284197581, 473662635, 852592743, 1420987905, 2557778229, 4262963715, 12788891145]

約数ペア:

[(1, 12788891145), (3, 4262963715), (5, 2557778229), (9, 1420987905), (15, 852592743), (27, 473662635), (45, 284197581), (81, 157887545), (135, 94732527), (405, 31577509)]