398553615

素因数分解:

$3^4\times 5^1\times {\mathrm{984083}}^1$

素因数の和:984100

約数の個数: 20

約数和(自身を含む): 714444984

約数和(自身を除く): 315891369

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 984083, 2952249, 4920415, 8856747, 14761245, 26570241, 44283735, 79710723, 132851205, 398553615]

約数ペア:

[(1, 398553615), (3, 132851205), (5, 79710723), (9, 44283735), (15, 26570241), (27, 14761245), (45, 8856747), (81, 4920415), (135, 2952249), (405, 984083)]