28222587

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{15149}}^1$

素因数の和:15184

約数の個数: 20

約数和(自身を含む): 43995600

約数和(自身を除く): 15773013

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 15149, 45447, 136341, 348427, 409023, 1045281, 1227069, 3135843, 9407529, 28222587]

約数ペア:

[(1, 28222587), (3, 9407529), (9, 3135843), (23, 1227069), (27, 1045281), (69, 409023), (81, 348427), (207, 136341), (621, 45447), (1863, 15149)]