251010657

素因数分解:

$3^4\times {\mathrm{1307}}^1\times {\mathrm{2371}}^1$

素因数の和:3690

約数の個数: 20

約数和(自身を含む): 375411696

約数和(自身を除く): 124401039

約数列:

[1, 3, 9, 27, 81, 1307, 2371, 3921, 7113, 11763, 21339, 35289, 64017, 105867, 192051, 3098897, 9296691, 27890073, 83670219, 251010657]

約数ペア:

[(1, 251010657), (3, 83670219), (9, 27890073), (27, 9296691), (81, 3098897), (1307, 192051), (2371, 105867), (3921, 64017), (7113, 35289), (11763, 21339)]