978889185

素因数分解:

$3^3\times 5^1\times {\mathrm{7251031}}^1$

素因数の和:7251045

約数の個数: 16

約数和(自身を含む): 1740247680

約数和(自身を除く): 761358495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 7251031, 21753093, 36255155, 65259279, 108765465, 195777837, 326296395, 978889185]

約数ペア:

[(1, 978889185), (3, 326296395), (5, 195777837), (9, 108765465), (15, 65259279), (27, 36255155), (45, 21753093), (135, 7251031)]