2931115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{389}}^1$

素因数の和:542

約数の個数: 16

約数和(自身を含む): 3875040

約数和(自身を除く): 943925

約数列:

[1, 5, 11, 55, 137, 389, 685, 1507, 1945, 4279, 7535, 21395, 53293, 266465, 586223, 2931115]

約数ペア:

[(1, 2931115), (5, 586223), (11, 266465), (55, 53293), (137, 21395), (389, 7535), (685, 4279), (1507, 1945)]