2499852015

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{405491}}^1$

素因数の和:405639

約数の個数: 24

約数和(自身を含む): 4364715888

約数和(自身を除く): 1864863873

約数列:

[1, 3, 5, 9, 15, 45, 137, 411, 685, 1233, 2055, 6165, 405491, 1216473, 2027455, 3649419, 6082365, 18247095, 55552267, 166656801, 277761335, 499970403, 833284005, 2499852015]

約数ペア:

[(1, 2499852015), (3, 833284005), (5, 499970403), (9, 277761335), (15, 166656801), (45, 55552267), (137, 18247095), (411, 6082365), (685, 3649419), (1233, 2027455), (2055, 1216473), (6165, 405491)]