81403866

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{499}}^1$

素因数の和:585

約数の個数: 80

約数和(自身を含む): 196020000

約数和(自身を除く): 114616134

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 53, 54, 57, 81, 106, 114, 159, 162, 171, 318, 342, 477, 499, 513, 954, 998, 1007, 1026, 1431, 1497, 1539, 2014, 2862, 2994, 3021, 3078, 4293, 4491, 6042, 8586, 8982, 9063, 9481, 13473, 18126, 18962, 26447, 26946, 27189, 28443, 40419, 52894, 54378, 56886, 79341, 80838, 81567, 85329, 158682, 163134, 170658, 238023, 255987, 476046, 502493, 511974, 714069, 767961, 1004986, 1428138, 1507479, 1535922, 2142207, 3014958, 4284414, 4522437, 9044874, 13567311, 27134622, 40701933, 81403866]

約数ペア:

[(1, 81403866), (2, 40701933), (3, 27134622), (6, 13567311), (9, 9044874), (18, 4522437), (19, 4284414), (27, 3014958), (38, 2142207), (53, 1535922), (54, 1507479), (57, 1428138), (81, 1004986), (106, 767961), (114, 714069), (159, 511974), (162, 502493), (171, 476046), (318, 255987), (342, 238023), (477, 170658), (499, 163134), (513, 158682), (954, 85329), (998, 81567), (1007, 80838), (1026, 79341), (1431, 56886), (1497, 54378), (1539, 52894), (2014, 40419), (2862, 28443), (2994, 27189), (3021, 26946), (3078, 26447), (4293, 18962), (4491, 18126), (6042, 13473), (8586, 9481), (8982, 9063)]