217626417

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{7723}}^1$

素因数の和:7861

約数の個数: 24

約数和(自身を含む): 327744768

約数和(自身を除く): 110118351

約数列:

[1, 3, 9, 31, 93, 101, 279, 303, 909, 3131, 7723, 9393, 23169, 28179, 69507, 239413, 718239, 780023, 2154717, 2340069, 7020207, 24180713, 72542139, 217626417]

約数ペア:

[(1, 217626417), (3, 72542139), (9, 24180713), (31, 7020207), (93, 2340069), (101, 2154717), (279, 780023), (303, 718239), (909, 239413), (3131, 69507), (7723, 28179), (9393, 23169)]