25209009

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1607}}^1$

素因数の和:1706

約数の個数: 32

約数和(自身を含む): 43223040

約数和(自身を除く): 18014031

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 189, 249, 581, 747, 1607, 1743, 2241, 4821, 5229, 11249, 14463, 15687, 33747, 43389, 101241, 133381, 303723, 400143, 933667, 1200429, 2801001, 3601287, 8403003, 25209009]

約数ペア:

[(1, 25209009), (3, 8403003), (7, 3601287), (9, 2801001), (21, 1200429), (27, 933667), (63, 400143), (83, 303723), (189, 133381), (249, 101241), (581, 43389), (747, 33747), (1607, 15687), (1743, 14463), (2241, 11249), (4821, 5229)]