81131259

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 128733696

約数和(自身を除く): 47602437

約数列:

[1, 3, 11, 17, 33, 47, 51, 141, 181, 187, 289, 517, 543, 561, 799, 867, 1551, 1991, 2397, 3077, 3179, 5973, 8507, 8789, 9231, 9537, 13583, 25521, 26367, 33847, 40749, 52309, 93577, 101541, 144619, 149413, 156927, 280731, 433857, 448239, 575399, 1590809, 1726197, 2458523, 4772427, 7375569, 27043753, 81131259]

約数ペア:

[(1, 81131259), (3, 27043753), (11, 7375569), (17, 4772427), (33, 2458523), (47, 1726197), (51, 1590809), (141, 575399), (181, 448239), (187, 433857), (289, 280731), (517, 156927), (543, 149413), (561, 144619), (799, 101541), (867, 93577), (1551, 52309), (1991, 40749), (2397, 33847), (3077, 26367), (3179, 25521), (5973, 13583), (8507, 9537), (8789, 9231)]