390397185

素因数分解:

$3^3\times 5^1\times {\mathrm{2891831}}^1$

素因数の和:2891845

約数の個数: 16

約数和(自身を含む): 694039680

約数和(自身を除く): 303642495

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2891831, 8675493, 14459155, 26026479, 43377465, 78079437, 130132395, 390397185]

約数ペア:

[(1, 390397185), (3, 130132395), (5, 78079437), (9, 43377465), (15, 26026479), (27, 14459155), (45, 8675493), (135, 2891831)]