81133767

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 48

約数和(自身を含む): 139085856

約数和(自身を除く): 57952089

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 117, 121, 143, 363, 429, 521, 1089, 1287, 1331, 1563, 1573, 3993, 4689, 4719, 5731, 6773, 11979, 14157, 17193, 17303, 20319, 51579, 51909, 60957, 63041, 74503, 155727, 189123, 223509, 567369, 670527, 693451, 819533, 2080353, 2458599, 6241059, 7375797, 9014863, 27044589, 81133767]

約数ペア:

[(1, 81133767), (3, 27044589), (9, 9014863), (11, 7375797), (13, 6241059), (33, 2458599), (39, 2080353), (99, 819533), (117, 693451), (121, 670527), (143, 567369), (363, 223509), (429, 189123), (521, 155727), (1089, 74503), (1287, 63041), (1331, 60957), (1563, 51909), (1573, 51579), (3993, 20319), (4689, 17303), (4719, 17193), (5731, 14157), (6773, 11979)]