387868905

素因数分解:

$3^4\times 5^1\times {\mathrm{957701}}^1$

素因数の和:957718

約数の個数: 20

約数和(自身を含む): 695291652

約数和(自身を除く): 307422747

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 957701, 2873103, 4788505, 8619309, 14365515, 25857927, 43096545, 77573781, 129289635, 387868905]

約数ペア:

[(1, 387868905), (3, 129289635), (5, 77573781), (9, 43096545), (15, 25857927), (27, 14365515), (45, 8619309), (81, 4788505), (135, 2873103), (405, 957701)]