77918841

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2$

素因数の和:105

約数の個数: 120

約数和(自身を含む): 161485632

約数和(自身を除く): 83566791

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, 961, 1001, 1023, 1053, 1209, 1287, 1953, 2079, 2387, 2457, 2511, 2821, 2883, 3003, 3069, 3627, 3861, 4433, 5859, 6237, 6727, 7161, 7371, 8463, 8649, 9009, 9207, 10571, 10881, 11583, 12493, 13299, 17577, 20181, 21483, 25389, 25947, 27027, 27621, 31031, 31713, 32643, 37479, 39897, 60543, 64449, 73997, 76167, 77841, 81081, 87451, 93093, 95139, 112437, 119691, 137423, 181629, 193347, 221991, 228501, 262353, 279279, 285417, 337311, 359073, 412269, 544887, 665973, 787059, 837837, 856251, 961961, 1011933, 1236807, 1997919, 2361177, 2513511, 2885883, 3710421, 5993757, 7083531, 8657649, 11131263, 25972947, 77918841]

約数ペア:

[(1, 77918841), (3, 25972947), (7, 11131263), (9, 8657649), (11, 7083531), (13, 5993757), (21, 3710421), (27, 2885883), (31, 2513511), (33, 2361177), (39, 1997919), (63, 1236807), (77, 1011933), (81, 961961), (91, 856251), (93, 837837), (99, 787059), (117, 665973), (143, 544887), (189, 412269), (217, 359073), (231, 337311), (273, 285417), (279, 279279), (297, 262353), (341, 228501), (351, 221991), (403, 193347), (429, 181629), (567, 137423), (651, 119691), (693, 112437), (819, 95139), (837, 93093), (891, 87451), (961, 81081), (1001, 77841), (1023, 76167), (1053, 73997), (1209, 64449), (1287, 60543), (1953, 39897), (2079, 37479), (2387, 32643), (2457, 31713), (2511, 31031), (2821, 27621), (2883, 27027), (3003, 25947), (3069, 25389), (3627, 21483), (3861, 20181), (4433, 17577), (5859, 13299), (6237, 12493), (6727, 11583), (7161, 10881), (7371, 10571), (8463, 9207), (8649, 9009)]