16950717

素因数分解:

$3^2\times 7^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1$

素因数の和:80

約数の個数: 72

約数和(自身を含む): 31928000

約数和(自身を除く): 14977283

約数列:

[1, 3, 7, 9, 17, 19, 21, 49, 51, 57, 63, 119, 133, 147, 153, 171, 289, 323, 343, 357, 399, 441, 833, 867, 931, 969, 1029, 1071, 1197, 2023, 2261, 2499, 2601, 2793, 2907, 3087, 5491, 5831, 6069, 6517, 6783, 7497, 8379, 14161, 15827, 16473, 17493, 18207, 19551, 20349, 38437, 42483, 47481, 49419, 52479, 58653, 99127, 110789, 115311, 127449, 142443, 269059, 297381, 332367, 345933, 807177, 892143, 997101, 1883413, 2421531, 5650239, 16950717]

約数ペア:

[(1, 16950717), (3, 5650239), (7, 2421531), (9, 1883413), (17, 997101), (19, 892143), (21, 807177), (49, 345933), (51, 332367), (57, 297381), (63, 269059), (119, 142443), (133, 127449), (147, 115311), (153, 110789), (171, 99127), (289, 58653), (323, 52479), (343, 49419), (357, 47481), (399, 42483), (441, 38437), (833, 20349), (867, 19551), (931, 18207), (969, 17493), (1029, 16473), (1071, 15827), (1197, 14161), (2023, 8379), (2261, 7497), (2499, 6783), (2601, 6517), (2793, 6069), (2907, 5831), (3087, 5491)]