2305989

素因数分解:

$3^4\times 7^3\times {\mathrm{83}}^1$

素因数の和:116

約数の個数: 40

約数和(自身を含む): 4065600

約数和(自身を除く): 1759611

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 83, 147, 189, 249, 343, 441, 567, 581, 747, 1029, 1323, 1743, 2241, 3087, 3969, 4067, 5229, 6723, 9261, 12201, 15687, 27783, 28469, 36603, 47061, 85407, 109809, 256221, 329427, 768663, 2305989]

約数ペア:

[(1, 2305989), (3, 768663), (7, 329427), (9, 256221), (21, 109809), (27, 85407), (49, 47061), (63, 36603), (81, 28469), (83, 27783), (147, 15687), (189, 12201), (249, 9261), (343, 6723), (441, 5229), (567, 4067), (581, 3969), (747, 3087), (1029, 2241), (1323, 1743)]