2807739

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:455

約数の個数: 24

約数和(自身を含む): 4492800

約数和(自身を除く): 1685061

約数列:

[1, 3, 9, 11, 33, 79, 99, 237, 359, 711, 869, 1077, 2607, 3231, 3949, 7821, 11847, 28361, 35541, 85083, 255249, 311971, 935913, 2807739]

約数ペア:

[(1, 2807739), (3, 935913), (9, 311971), (11, 255249), (33, 85083), (79, 35541), (99, 28361), (237, 11847), (359, 7821), (711, 3949), (869, 3231), (1077, 2607)]