25386831

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:157

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 18158769

約数列:

[1, 3, 9, 17, 19, 27, 41, 51, 57, 71, 123, 153, 171, 213, 323, 369, 459, 513, 639, 697, 779, 969, 1107, 1207, 1349, 1917, 2091, 2337, 2907, 2911, 3621, 4047, 6273, 7011, 8721, 8733, 10863, 12141, 13243, 18819, 21033, 22933, 26199, 32589, 36423, 39729, 49487, 55309, 68799, 78597, 119187, 148461, 165927, 206397, 357561, 445383, 497781, 619191, 940253, 1336149, 1493343, 2820759, 8462277, 25386831]

約数ペア:

[(1, 25386831), (3, 8462277), (9, 2820759), (17, 1493343), (19, 1336149), (27, 940253), (41, 619191), (51, 497781), (57, 445383), (71, 357561), (123, 206397), (153, 165927), (171, 148461), (213, 119187), (323, 78597), (369, 68799), (459, 55309), (513, 49487), (639, 39729), (697, 36423), (779, 32589), (969, 26199), (1107, 22933), (1207, 21033), (1349, 18819), (1917, 13243), (2091, 12141), (2337, 10863), (2907, 8733), (2911, 8721), (3621, 7011), (4047, 6273)]