25440489

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{439}}^1$

素因数の和:629

約数の個数: 24

約数和(自身を含む): 37889280

約数和(自身を除く): 12448791

約数列:

[1, 3, 9, 47, 137, 141, 411, 423, 439, 1233, 1317, 3951, 6439, 19317, 20633, 57951, 60143, 61899, 180429, 185697, 541287, 2826721, 8480163, 25440489]

約数ペア:

[(1, 25440489), (3, 8480163), (9, 2826721), (47, 541287), (137, 185697), (141, 180429), (411, 61899), (423, 60143), (439, 57951), (1233, 20633), (1317, 19317), (3951, 6439)]