289751823

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:749

約数の個数: 40

約数和(自身を含む): 449539200

約数和(自身を除く): 159787377

約数列:

[1, 3, 9, 27, 31, 81, 93, 257, 279, 449, 771, 837, 1347, 2313, 2511, 4041, 6939, 7967, 12123, 13919, 20817, 23901, 36369, 41757, 71703, 115393, 125271, 215109, 346179, 375813, 645327, 1038537, 1127439, 3115611, 3577183, 9346833, 10731549, 32194647, 96583941, 289751823]

約数ペア:

[(1, 289751823), (3, 96583941), (9, 32194647), (27, 10731549), (31, 9346833), (81, 3577183), (93, 3115611), (257, 1127439), (279, 1038537), (449, 645327), (771, 375813), (837, 346179), (1347, 215109), (2313, 125271), (2511, 115393), (4041, 71703), (6939, 41757), (7967, 36369), (12123, 23901), (13919, 20817)]