25800129

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{409}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 38461280

約数和(自身を除く): 12661151

約数列:

[1, 3, 9, 43, 129, 163, 387, 409, 489, 1227, 1467, 3681, 7009, 17587, 21027, 52761, 63081, 66667, 158283, 200001, 600003, 2866681, 8600043, 25800129]

約数ペア:

[(1, 25800129), (3, 8600043), (9, 2866681), (43, 600003), (129, 200001), (163, 158283), (387, 66667), (409, 63081), (489, 52761), (1227, 21027), (1467, 17587), (3681, 7009)]