25375371

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 40808448

約数和(自身を除く): 15433077

約数列:

[1, 3, 7, 21, 23, 69, 107, 161, 321, 483, 491, 749, 1473, 2247, 2461, 3437, 7383, 10311, 11293, 17227, 33879, 51681, 52537, 79051, 157611, 237153, 367759, 1103277, 1208351, 3625053, 8458457, 25375371]

約数ペア:

[(1, 25375371), (3, 8458457), (7, 3625053), (21, 1208351), (23, 1103277), (69, 367759), (107, 237153), (161, 157611), (321, 79051), (483, 52537), (491, 51681), (749, 33879), (1473, 17227), (2247, 11293), (2461, 10311), (3437, 7383)]