12791115

素因数分解:

$3^4\times 5^1\times {\mathrm{31583}}^1$

素因数の和:31600

約数の個数: 20

約数和(自身を含む): 22929984

約数和(自身を除く): 10138869

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 31583, 94749, 157915, 284247, 473745, 852741, 1421235, 2558223, 4263705, 12791115]

約数ペア:

[(1, 12791115), (3, 4263705), (5, 2558223), (9, 1421235), (15, 852741), (27, 473745), (45, 284247), (81, 157915), (135, 94749), (405, 31583)]