876636621

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1$

素因数の和:216

約数の個数: 128

約数和(自身を含む): 1625702400

約数和(自身を除く): 749065779

約数列:

[1, 3, 7, 9, 21, 27, 29, 41, 47, 63, 83, 87, 123, 141, 189, 203, 249, 261, 287, 329, 369, 423, 581, 609, 747, 783, 861, 987, 1107, 1189, 1269, 1363, 1743, 1827, 1927, 2241, 2407, 2583, 2961, 3403, 3567, 3901, 4089, 5229, 5481, 5781, 7221, 7749, 8323, 8883, 9541, 10209, 10701, 11703, 12267, 13489, 15687, 16849, 17343, 21663, 23821, 24969, 27307, 28623, 30627, 32103, 35109, 36801, 40467, 50547, 52029, 55883, 64989, 71463, 74907, 81921, 85869, 91881, 98687, 105327, 113129, 121401, 151641, 159941, 167649, 214389, 224721, 245763, 257607, 296061, 339387, 364203, 391181, 454923, 479823, 502947, 643167, 690809, 737289, 791903, 888183, 1018161, 1119587, 1173543, 1439469, 1508841, 2072427, 2375709, 2664549, 3054483, 3358761, 3520629, 4318407, 4638289, 6217281, 7127127, 10076283, 10561887, 13914867, 18651843, 21381381, 30228849, 32468023, 41744601, 97404069, 125233803, 292212207, 876636621]

約数ペア:

[(1, 876636621), (3, 292212207), (7, 125233803), (9, 97404069), (21, 41744601), (27, 32468023), (29, 30228849), (41, 21381381), (47, 18651843), (63, 13914867), (83, 10561887), (87, 10076283), (123, 7127127), (141, 6217281), (189, 4638289), (203, 4318407), (249, 3520629), (261, 3358761), (287, 3054483), (329, 2664549), (369, 2375709), (423, 2072427), (581, 1508841), (609, 1439469), (747, 1173543), (783, 1119587), (861, 1018161), (987, 888183), (1107, 791903), (1189, 737289), (1269, 690809), (1363, 643167), (1743, 502947), (1827, 479823), (1927, 454923), (2241, 391181), (2407, 364203), (2583, 339387), (2961, 296061), (3403, 257607), (3567, 245763), (3901, 224721), (4089, 214389), (5229, 167649), (5481, 159941), (5781, 151641), (7221, 121401), (7749, 113129), (8323, 105327), (8883, 98687), (9541, 91881), (10209, 85869), (10701, 81921), (11703, 74907), (12267, 71463), (13489, 64989), (15687, 55883), (16849, 52029), (17343, 50547), (21663, 40467), (23821, 36801), (24969, 35109), (27307, 32103), (28623, 30627)]