2513511

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:74

約数の個数: 80

約数和(自身を含む): 5203968

約数和(自身を除く): 2690457

約数列:

[1, 3, 7, 9, 11, 13, 21, 27, 31, 33, 39, 63, 77, 81, 91, 93, 99, 117, 143, 189, 217, 231, 273, 279, 297, 341, 351, 403, 429, 567, 651, 693, 819, 837, 891, 1001, 1023, 1053, 1209, 1287, 1953, 2079, 2387, 2457, 2511, 2821, 3003, 3069, 3627, 3861, 4433, 5859, 6237, 7161, 7371, 8463, 9009, 9207, 10881, 11583, 13299, 17577, 21483, 25389, 27027, 27621, 31031, 32643, 39897, 64449, 76167, 81081, 93093, 119691, 193347, 228501, 279279, 359073, 837837, 2513511]

約数ペア:

[(1, 2513511), (3, 837837), (7, 359073), (9, 279279), (11, 228501), (13, 193347), (21, 119691), (27, 93093), (31, 81081), (33, 76167), (39, 64449), (63, 39897), (77, 32643), (81, 31031), (91, 27621), (93, 27027), (99, 25389), (117, 21483), (143, 17577), (189, 13299), (217, 11583), (231, 10881), (273, 9207), (279, 9009), (297, 8463), (341, 7371), (351, 7161), (403, 6237), (429, 5859), (567, 4433), (651, 3861), (693, 3627), (819, 3069), (837, 3003), (891, 2821), (1001, 2511), (1023, 2457), (1053, 2387), (1209, 2079), (1287, 1953)]