2558385

素因数分解:

$3^4\times 5^1\times {\mathrm{6317}}^1$

素因数の和:6334

約数の個数: 20

約数和(自身を含む): 4586868

約数和(自身を除く): 2028483

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 6317, 18951, 31585, 56853, 94755, 170559, 284265, 511677, 852795, 2558385]

約数ペア:

[(1, 2558385), (3, 852795), (5, 511677), (9, 284265), (15, 170559), (27, 94755), (45, 56853), (81, 31585), (135, 18951), (405, 6317)]