289375359

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1103}}^1$

素因数の和:1188

約数の個数: 48

約数和(自身を含む): 491129856

約数和(自身を除く): 201754497

約数列:

[1, 3, 7, 13, 21, 31, 39, 91, 93, 217, 273, 403, 651, 961, 1103, 1209, 2821, 2883, 3309, 6727, 7721, 8463, 12493, 14339, 20181, 23163, 34193, 37479, 43017, 87451, 100373, 102579, 239351, 262353, 301119, 444509, 718053, 1059983, 1333527, 3111563, 3179949, 7419881, 9334689, 13779779, 22259643, 41339337, 96458453, 289375359]

約数ペア:

[(1, 289375359), (3, 96458453), (7, 41339337), (13, 22259643), (21, 13779779), (31, 9334689), (39, 7419881), (91, 3179949), (93, 3111563), (217, 1333527), (273, 1059983), (403, 718053), (651, 444509), (961, 301119), (1103, 262353), (1209, 239351), (2821, 102579), (2883, 100373), (3309, 87451), (6727, 43017), (7721, 37479), (8463, 34193), (12493, 23163), (14339, 20181)]