25281039

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{63361}}^1$

素因数の和:63390

約数の個数: 16

約数和(自身を含む): 40551680

約数和(自身を除く): 15270641

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 63361, 190083, 443527, 1203859, 1330581, 3611577, 8427013, 25281039]

約数ペア:

[(1, 25281039), (3, 8427013), (7, 3611577), (19, 1330581), (21, 1203859), (57, 443527), (133, 190083), (399, 63361)]