78840375

素因数分解:

$3^1\times 5^3\times {\mathrm{210241}}^1$

素因数の和:210259

約数の個数: 16

約数和(自身を含む): 131191008

約数和(自身を除く): 52350633

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 210241, 630723, 1051205, 3153615, 5256025, 15768075, 26280125, 78840375]

約数ペア:

[(1, 78840375), (3, 26280125), (5, 15768075), (15, 5256025), (25, 3153615), (75, 1051205), (125, 630723), (375, 210241)]