25278057

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{8537}}^1$

素因数の和:8597

約数の個数: 24

約数和(自身を含む): 42621696

約数和(自身を除く): 17343639

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 8537, 25611, 59759, 76833, 179277, 401239, 537831, 1203717, 2808673, 3611151, 8426019, 25278057]

約数ペア:

[(1, 25278057), (3, 8426019), (7, 3611151), (9, 2808673), (21, 1203717), (47, 537831), (63, 401239), (141, 179277), (329, 76833), (423, 59759), (987, 25611), (2961, 8537)]