2109307821

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{70079}}^1$

素因数の和:70288

約数の個数: 16

約数和(自身を含む): 2870476800

約数和(自身を除く): 761168979

約数列:

[1, 3, 79, 127, 237, 381, 10033, 30099, 70079, 210237, 5536241, 8900033, 16608723, 26700099, 703102607, 2109307821]

約数ペア:

[(1, 2109307821), (3, 703102607), (79, 26700099), (127, 16608723), (237, 8900033), (381, 5536241), (10033, 210237), (30099, 70079)]