13987485

素因数分解:

$3^4\times 5^1\times {\mathrm{34537}}^1$

素因数の和:34554

約数の個数: 20

約数和(自身を含む): 25074588

約数和(自身を除く): 11087103

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 34537, 103611, 172685, 310833, 518055, 932499, 1554165, 2797497, 4662495, 13987485]

約数ペア:

[(1, 13987485), (3, 4662495), (5, 2797497), (9, 1554165), (15, 932499), (27, 518055), (45, 310833), (81, 172685), (135, 103611), (405, 34537)]