78996897

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 64

約数和(自身を含む): 140492800

約数和(自身を除く): 61495903

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 97, 139, 189, 217, 279, 291, 417, 651, 679, 837, 873, 973, 1251, 1953, 2037, 2619, 2919, 3007, 3753, 4309, 5859, 6111, 8757, 9021, 12927, 13483, 18333, 21049, 26271, 27063, 30163, 38781, 40449, 63147, 81189, 90489, 94381, 116343, 121347, 189441, 271467, 283143, 364041, 417973, 568323, 814401, 849429, 1253919, 2548287, 2925811, 3761757, 8777433, 11285271, 26332299, 78996897]

約数ペア:

[(1, 78996897), (3, 26332299), (7, 11285271), (9, 8777433), (21, 3761757), (27, 2925811), (31, 2548287), (63, 1253919), (93, 849429), (97, 814401), (139, 568323), (189, 417973), (217, 364041), (279, 283143), (291, 271467), (417, 189441), (651, 121347), (679, 116343), (837, 94381), (873, 90489), (973, 81189), (1251, 63147), (1953, 40449), (2037, 38781), (2619, 30163), (2919, 27063), (3007, 26271), (3753, 21049), (4309, 18333), (5859, 13483), (6111, 12927), (8757, 9021)]