2116720881

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{2659}}^1$

素因数の和:2747

約数の個数: 72

約数和(自身を含む): 3642518880

約数和(自身を除く): 1525797999

約数列:

[1, 3, 9, 11, 17, 33, 43, 51, 99, 121, 129, 153, 187, 363, 387, 473, 561, 731, 1089, 1419, 1683, 2057, 2193, 2659, 4257, 5203, 6171, 6579, 7977, 8041, 15609, 18513, 23931, 24123, 29249, 45203, 46827, 72369, 87747, 88451, 114337, 135609, 263241, 265353, 321739, 343011, 406827, 497233, 796059, 965217, 1029033, 1257707, 1491699, 1943729, 2895651, 3773121, 4475097, 5469563, 5831187, 11319363, 13834777, 16408689, 17493561, 21381019, 41504331, 49226067, 64143057, 124512993, 192429171, 235191209, 705573627, 2116720881]

約数ペア:

[(1, 2116720881), (3, 705573627), (9, 235191209), (11, 192429171), (17, 124512993), (33, 64143057), (43, 49226067), (51, 41504331), (99, 21381019), (121, 17493561), (129, 16408689), (153, 13834777), (187, 11319363), (363, 5831187), (387, 5469563), (473, 4475097), (561, 3773121), (731, 2895651), (1089, 1943729), (1419, 1491699), (1683, 1257707), (2057, 1029033), (2193, 965217), (2659, 796059), (4257, 497233), (5203, 406827), (6171, 343011), (6579, 321739), (7977, 265353), (8041, 263241), (15609, 135609), (18513, 114337), (23931, 88451), (24123, 87747), (29249, 72369), (45203, 46827)]