81132857

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 96671232

約数和(自身を除く): 15538375

約数列:

[1, 13, 17, 47, 73, 107, 221, 611, 799, 949, 1241, 1391, 1819, 3431, 5029, 7811, 10387, 16133, 23647, 44603, 58327, 65377, 85493, 101543, 132787, 367117, 758251, 1111409, 1726231, 4772521, 6240989, 81132857]

約数ペア:

[(1, 81132857), (13, 6240989), (17, 4772521), (47, 1726231), (73, 1111409), (107, 758251), (221, 367117), (611, 132787), (799, 101543), (949, 85493), (1241, 65377), (1391, 58327), (1819, 44603), (3431, 23647), (5029, 16133), (7811, 10387)]