28517427

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 45209472

約数和(自身を除く): 16692045

約数列:

[1, 3, 9, 27, 31, 41, 81, 93, 123, 277, 279, 369, 831, 837, 1107, 1271, 2493, 2511, 3321, 3813, 7479, 8587, 11357, 11439, 22437, 25761, 34071, 34317, 77283, 102213, 102951, 231849, 306639, 352067, 695547, 919917, 1056201, 3168603, 9505809, 28517427]

約数ペア:

[(1, 28517427), (3, 9505809), (9, 3168603), (27, 1056201), (31, 919917), (41, 695547), (81, 352067), (93, 306639), (123, 231849), (277, 102951), (279, 102213), (369, 77283), (831, 34317), (837, 34071), (1107, 25761), (1271, 22437), (2493, 11439), (2511, 11357), (3321, 8587), (3813, 7479)]