25625817

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 45556992

約数和(自身を除く): 19931175

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 71, 119, 153, 213, 337, 357, 497, 639, 1011, 1071, 1207, 1491, 2359, 3033, 3621, 4473, 5729, 7077, 8449, 10863, 17187, 21231, 23927, 25347, 40103, 51561, 71781, 76041, 120309, 167489, 215343, 360927, 406759, 502467, 1220277, 1507401, 2847313, 3660831, 8541939, 25625817]

約数ペア:

[(1, 25625817), (3, 8541939), (7, 3660831), (9, 2847313), (17, 1507401), (21, 1220277), (51, 502467), (63, 406759), (71, 360927), (119, 215343), (153, 167489), (213, 120309), (337, 76041), (357, 71781), (497, 51561), (639, 40103), (1011, 25347), (1071, 23927), (1207, 21231), (1491, 17187), (2359, 10863), (3033, 8449), (3621, 7077), (4473, 5729)]