256925889

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{7229}}^1$

素因数の和:7605

約数の個数: 24

約数和(自身を含む): 406036800

約数和(自身を除く): 149110911

約数列:

[1, 3, 9, 11, 33, 99, 359, 1077, 3231, 3949, 7229, 11847, 21687, 35541, 65061, 79519, 238557, 715671, 2595211, 7785633, 23356899, 28547321, 85641963, 256925889]

約数ペア:

[(1, 256925889), (3, 85641963), (9, 28547321), (11, 23356899), (33, 7785633), (99, 2595211), (359, 715671), (1077, 238557), (3231, 79519), (3949, 65061), (7229, 35541), (11847, 21687)]