25213713

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{6221}}^1$

素因数の和:6424

約数の個数: 16

約数和(自身を含む): 38626176

約数和(自身を除く): 13412463

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 6221, 18663, 43547, 130641, 1200653, 3601959, 8404571, 25213713]

約数ペア:

[(1, 25213713), (3, 8404571), (7, 3601959), (21, 1200653), (193, 130641), (579, 43547), (1351, 18663), (4053, 6221)]