28657551

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{3049}}^1$

素因数の和:3306

約数の個数: 16

約数和(自身を含む): 41333600

約数和(自身を除く): 12676049

約数列:

[1, 3, 13, 39, 241, 723, 3049, 3133, 9147, 9399, 39637, 118911, 734809, 2204427, 9552517, 28657551]

約数ペア:

[(1, 28657551), (3, 9552517), (13, 2204427), (39, 734809), (241, 118911), (723, 39637), (3049, 9399), (3133, 9147)]