28756395

素因数分解:

$3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8089}}^1$

素因数の和:8179

約数の個数: 24

約数和(自身を含む): 50481600

約数和(自身を除く): 21725205

約数列:

[1, 3, 5, 9, 15, 45, 79, 237, 395, 711, 1185, 3555, 8089, 24267, 40445, 72801, 121335, 364005, 639031, 1917093, 3195155, 5751279, 9585465, 28756395]

約数ペア:

[(1, 28756395), (3, 9585465), (5, 5751279), (9, 3195155), (15, 1917093), (45, 639031), (79, 364005), (237, 121335), (395, 72801), (711, 40445), (1185, 24267), (3555, 8089)]