2647359

素因数分解:

$3^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:69

約数の個数: 48

約数和(自身を含む): 4796064

約数和(自身を除く): 2148705

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 121, 143, 153, 187, 221, 363, 429, 561, 663, 1089, 1287, 1331, 1573, 1683, 1989, 2057, 2431, 3993, 4719, 6171, 7293, 11979, 14157, 17303, 18513, 21879, 22627, 26741, 51909, 67881, 80223, 155727, 203643, 240669, 294151, 882453, 2647359]

約数ペア:

[(1, 2647359), (3, 882453), (9, 294151), (11, 240669), (13, 203643), (17, 155727), (33, 80223), (39, 67881), (51, 51909), (99, 26741), (117, 22627), (121, 21879), (143, 18513), (153, 17303), (187, 14157), (221, 11979), (363, 7293), (429, 6171), (561, 4719), (663, 3993), (1089, 2431), (1287, 2057), (1331, 1989), (1573, 1683)]