25312833

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1054

約数の個数: 48

約数和(自身を含む): 46498816

約数和(自身を除く): 21185983

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 63, 91, 93, 117, 217, 273, 279, 403, 651, 819, 997, 1209, 1953, 2821, 2991, 3627, 6979, 8463, 8973, 12961, 20937, 25389, 30907, 38883, 62811, 90727, 92721, 116649, 216349, 272181, 278163, 401791, 649047, 816543, 1205373, 1947141, 2812537, 3616119, 8437611, 25312833]

約数ペア:

[(1, 25312833), (3, 8437611), (7, 3616119), (9, 2812537), (13, 1947141), (21, 1205373), (31, 816543), (39, 649047), (63, 401791), (91, 278163), (93, 272181), (117, 216349), (217, 116649), (273, 92721), (279, 90727), (403, 62811), (651, 38883), (819, 30907), (997, 25389), (1209, 20937), (1953, 12961), (2821, 8973), (2991, 8463), (3627, 6979)]