25262181

素因数分解:

$3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1427}}^1$

素因数の和:1721

約数の個数: 24

約数和(自身を含む): 41880384

約数和(自身を除く): 16618203

約数列:

[1, 3, 7, 9, 21, 63, 281, 843, 1427, 1967, 2529, 4281, 5901, 9989, 12843, 17703, 29967, 89901, 400987, 1202961, 2806909, 3608883, 8420727, 25262181]

約数ペア:

[(1, 25262181), (3, 8420727), (7, 3608883), (9, 2806909), (21, 1202961), (63, 400987), (281, 89901), (843, 29967), (1427, 17703), (1967, 12843), (2529, 9989), (4281, 5901)]