18561807

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{269}}^1$

素因数の和:344

約数の個数: 48

約数和(自身を含む): 31842720

約数和(自身を除く): 13280913

約数列:

[1, 3, 9, 11, 17, 33, 41, 51, 99, 123, 153, 187, 269, 369, 451, 561, 697, 807, 1353, 1683, 2091, 2421, 2959, 4059, 4573, 6273, 7667, 8877, 11029, 13719, 23001, 26631, 33087, 41157, 50303, 69003, 99261, 121319, 150909, 187493, 363957, 452727, 562479, 1091871, 1687437, 2062423, 6187269, 18561807]

約数ペア:

[(1, 18561807), (3, 6187269), (9, 2062423), (11, 1687437), (17, 1091871), (33, 562479), (41, 452727), (51, 363957), (99, 187493), (123, 150909), (153, 121319), (187, 99261), (269, 69003), (369, 50303), (451, 41157), (561, 33087), (697, 26631), (807, 23001), (1353, 13719), (1683, 11029), (2091, 8877), (2421, 7667), (2959, 6273), (4059, 4573)]