87181569

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 143769600

約数和(自身を除く): 56588031

約数列:

[1, 3, 9, 23, 27, 29, 47, 69, 87, 103, 141, 207, 261, 309, 423, 621, 667, 783, 927, 1081, 1269, 1363, 2001, 2369, 2781, 2987, 3243, 4089, 4841, 6003, 7107, 8961, 9729, 12267, 14523, 18009, 21321, 26883, 29187, 31349, 36801, 43569, 63963, 68701, 80649, 94047, 111343, 130707, 140389, 206103, 282141, 334029, 421167, 618309, 846423, 1002087, 1263501, 1854927, 3006261, 3228947, 3790503, 9686841, 29060523, 87181569]

約数ペア:

[(1, 87181569), (3, 29060523), (9, 9686841), (23, 3790503), (27, 3228947), (29, 3006261), (47, 1854927), (69, 1263501), (87, 1002087), (103, 846423), (141, 618309), (207, 421167), (261, 334029), (309, 282141), (423, 206103), (621, 140389), (667, 130707), (783, 111343), (927, 94047), (1081, 80649), (1269, 68701), (1363, 63963), (2001, 43569), (2369, 36801), (2781, 31349), (2987, 29187), (3243, 26883), (4089, 21321), (4841, 18009), (6003, 14523), (7107, 12267), (8961, 9729)]