2209779

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1$

素因数の和:148

約数の個数: 48

約数和(自身を含む): 4009824

約数和(自身を除く): 1800045

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 101, 117, 143, 153, 187, 221, 303, 429, 561, 663, 909, 1111, 1287, 1313, 1683, 1717, 1989, 2431, 3333, 3939, 5151, 7293, 9999, 11817, 14443, 15453, 18887, 21879, 22321, 43329, 56661, 66963, 129987, 169983, 200889, 245531, 736593, 2209779]

約数ペア:

[(1, 2209779), (3, 736593), (9, 245531), (11, 200889), (13, 169983), (17, 129987), (33, 66963), (39, 56661), (51, 43329), (99, 22321), (101, 21879), (117, 18887), (143, 15453), (153, 14443), (187, 11817), (221, 9999), (303, 7293), (429, 5151), (561, 3939), (663, 3333), (909, 2431), (1111, 1989), (1287, 1717), (1313, 1683)]