25729317

素因数分解:

$3^2\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:433

約数の個数: 24

約数和(自身を含む): 37957920

約数和(自身を除く): 12228603

約数列:

[1, 3, 9, 131, 139, 157, 393, 417, 471, 1179, 1251, 1413, 18209, 20567, 21823, 54627, 61701, 65469, 163881, 185103, 196407, 2858813, 8576439, 25729317]

約数ペア:

[(1, 25729317), (3, 8576439), (9, 2858813), (131, 196407), (139, 185103), (157, 163881), (393, 65469), (417, 61701), (471, 54627), (1179, 21823), (1251, 20567), (1413, 18209)]