78318495

素因数分解:

$3^4\times 5^1\times {\mathrm{193379}}^1$

素因数の和:193396

約数の個数: 20

約数和(自身を含む): 140393880

約数和(自身を除く): 62075385

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 193379, 580137, 966895, 1740411, 2900685, 5221233, 8702055, 15663699, 26106165, 78318495]

約数ペア:

[(1, 78318495), (3, 26106165), (5, 15663699), (9, 8702055), (15, 5221233), (27, 2900685), (45, 1740411), (81, 966895), (135, 580137), (405, 193379)]