315040185

素因数分解:

$3^4\times 5^1\times {\mathrm{777877}}^1$

素因数の和:777894

約数の個数: 20

約数和(自身を含む): 564739428

約数和(自身を除く): 249699243

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 777877, 2333631, 3889385, 7000893, 11668155, 21002679, 35004465, 63008037, 105013395, 315040185]

約数ペア:

[(1, 315040185), (3, 105013395), (5, 63008037), (9, 35004465), (15, 21002679), (27, 11668155), (45, 7000893), (81, 3889385), (135, 2333631), (405, 777877)]