248947101

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{541}}^1$

素因数の和:608

約数の個数: 80

約数和(自身を含む): 440711040

約数和(自身を除く): 191763939

約数列:

[1, 3, 9, 13, 19, 23, 27, 39, 57, 69, 81, 117, 171, 207, 247, 299, 351, 437, 513, 541, 621, 741, 897, 1053, 1311, 1539, 1623, 1863, 2223, 2691, 3933, 4869, 5681, 6669, 7033, 8073, 10279, 11799, 12443, 14607, 17043, 20007, 21099, 24219, 30837, 35397, 37329, 43821, 51129, 63297, 92511, 111987, 133627, 153387, 161759, 189891, 236417, 277533, 335961, 400881, 460161, 485277, 569673, 709251, 832599, 1007883, 1202643, 1455831, 2127753, 3073421, 3607929, 4367493, 6383259, 9220263, 10823787, 13102479, 19149777, 27660789, 82982367, 248947101]

約数ペア:

[(1, 248947101), (3, 82982367), (9, 27660789), (13, 19149777), (19, 13102479), (23, 10823787), (27, 9220263), (39, 6383259), (57, 4367493), (69, 3607929), (81, 3073421), (117, 2127753), (171, 1455831), (207, 1202643), (247, 1007883), (299, 832599), (351, 709251), (437, 569673), (513, 485277), (541, 460161), (621, 400881), (741, 335961), (897, 277533), (1053, 236417), (1311, 189891), (1539, 161759), (1623, 153387), (1863, 133627), (2223, 111987), (2691, 92511), (3933, 63297), (4869, 51129), (5681, 43821), (6669, 37329), (7033, 35397), (8073, 30837), (10279, 24219), (11799, 21099), (12443, 20007), (14607, 17043)]