25639227

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:145

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 17906373

約数列:

[1, 3, 9, 19, 23, 27, 41, 53, 57, 69, 123, 159, 171, 207, 369, 437, 477, 513, 621, 779, 943, 1007, 1107, 1219, 1311, 1431, 2173, 2337, 2829, 3021, 3657, 3933, 6519, 7011, 8487, 9063, 10971, 11799, 17917, 19557, 21033, 23161, 25461, 27189, 32913, 41287, 49979, 53751, 58671, 69483, 123861, 149937, 161253, 208449, 371583, 449811, 483759, 625347, 949601, 1114749, 1349433, 2848803, 8546409, 25639227]

約数ペア:

[(1, 25639227), (3, 8546409), (9, 2848803), (19, 1349433), (23, 1114749), (27, 949601), (41, 625347), (53, 483759), (57, 449811), (69, 371583), (123, 208449), (159, 161253), (171, 149937), (207, 123861), (369, 69483), (437, 58671), (477, 53751), (513, 49979), (621, 41287), (779, 32913), (943, 27189), (1007, 25461), (1107, 23161), (1219, 21033), (1311, 19557), (1431, 17917), (2173, 11799), (2337, 10971), (2829, 9063), (3021, 8487), (3657, 7011), (3933, 6519)]