123786999

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 212619264

約数和(自身を除く): 88832265

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 241, 263, 279, 651, 723, 789, 1687, 1841, 1953, 2169, 2367, 5061, 5523, 7471, 8153, 15183, 16569, 22413, 24459, 52297, 57071, 63383, 67239, 73377, 156891, 171213, 190149, 443681, 470673, 513639, 570447, 1331043, 1964873, 3993129, 5894619, 13754111, 17683857, 41262333, 123786999]

約数ペア:

[(1, 123786999), (3, 41262333), (7, 17683857), (9, 13754111), (21, 5894619), (31, 3993129), (63, 1964873), (93, 1331043), (217, 570447), (241, 513639), (263, 470673), (279, 443681), (651, 190149), (723, 171213), (789, 156891), (1687, 73377), (1841, 67239), (1953, 63383), (2169, 57071), (2367, 52297), (5061, 24459), (5523, 22413), (7471, 16569), (8153, 15183)]