25421277

素因数分解:

$3^1\times 7^1\times {\mathrm{647}}^1\times {\mathrm{1871}}^1$

素因数の和:2528

約数の個数: 16

約数和(自身を含む): 38817792

約数和(自身を除く): 13396515

約数列:

[1, 3, 7, 21, 647, 1871, 1941, 4529, 5613, 13097, 13587, 39291, 1210537, 3631611, 8473759, 25421277]

約数ペア:

[(1, 25421277), (3, 8473759), (7, 3631611), (21, 1210537), (647, 39291), (1871, 13587), (1941, 13097), (4529, 5613)]