64694259

素因数分解:

$3^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1149

約数の個数: 48

約数和(自身を含む): 114816000

約数和(自身を除く): 50121741

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 343, 399, 441, 931, 1029, 1103, 1197, 2793, 3087, 3309, 6517, 7721, 8379, 9927, 19551, 20957, 23163, 54047, 58653, 62871, 69489, 146699, 162141, 188613, 378329, 440097, 486423, 1026893, 1134987, 1320291, 3080679, 3404961, 7188251, 9242037, 21564753, 64694259]

約数ペア:

[(1, 64694259), (3, 21564753), (7, 9242037), (9, 7188251), (19, 3404961), (21, 3080679), (49, 1320291), (57, 1134987), (63, 1026893), (133, 486423), (147, 440097), (171, 378329), (343, 188613), (399, 162141), (441, 146699), (931, 69489), (1029, 62871), (1103, 58653), (1197, 54047), (2793, 23163), (3087, 20957), (3309, 19551), (6517, 9927), (7721, 8379)]