28145336877

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2903}}^1\times {\mathrm{6691}}^1$

素因数の和:9630

約数の個数: 48

約数和(自身を含む): 48506185728

約数和(自身を除く): 20360848851

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 2903, 6691, 8709, 20073, 20321, 26127, 46837, 60219, 60963, 66769, 140511, 153893, 182889, 200307, 421533, 461679, 467383, 600921, 1077251, 1385037, 1402149, 3231753, 4206447, 9695259, 19423973, 58271919, 135967811, 174815757, 407903433, 446751379, 1223710299, 1340254137, 3127259653, 4020762411, 9381778959, 28145336877]

約数ペア:

[(1, 28145336877), (3, 9381778959), (7, 4020762411), (9, 3127259653), (21, 1340254137), (23, 1223710299), (63, 446751379), (69, 407903433), (161, 174815757), (207, 135967811), (483, 58271919), (1449, 19423973), (2903, 9695259), (6691, 4206447), (8709, 3231753), (20073, 1402149), (20321, 1385037), (26127, 1077251), (46837, 600921), (60219, 467383), (60963, 461679), (66769, 421533), (140511, 200307), (153893, 182889)]