31452057

素因数分解:

$3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 61471872

約数和(自身を除く): 30019815

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 51, 63, 81, 91, 117, 119, 153, 189, 221, 251, 273, 351, 357, 459, 567, 663, 753, 819, 1053, 1071, 1377, 1547, 1757, 1989, 2259, 2457, 3213, 3263, 4267, 4641, 5271, 5967, 6777, 7371, 9639, 9789, 12801, 13923, 15813, 17901, 20331, 22841, 29367, 29869, 38403, 41769, 47439, 55471, 68523, 88101, 89607, 115209, 125307, 142317, 166413, 205569, 264303, 268821, 345627, 388297, 499239, 616707, 806463, 1164891, 1497717, 1850121, 2419389, 3494673, 4493151, 10484019, 31452057]

約数ペア:

[(1, 31452057), (3, 10484019), (7, 4493151), (9, 3494673), (13, 2419389), (17, 1850121), (21, 1497717), (27, 1164891), (39, 806463), (51, 616707), (63, 499239), (81, 388297), (91, 345627), (117, 268821), (119, 264303), (153, 205569), (189, 166413), (221, 142317), (251, 125307), (273, 115209), (351, 89607), (357, 88101), (459, 68523), (567, 55471), (663, 47439), (753, 41769), (819, 38403), (1053, 29869), (1071, 29367), (1377, 22841), (1547, 20331), (1757, 17901), (1989, 15813), (2259, 13923), (2457, 12801), (3213, 9789), (3263, 9639), (4267, 7371), (4641, 6777), (5271, 5967)]