17486973

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2087}}^1$

素因数の和:2126

約数の個数: 36

約数和(自身を含む): 30944160

約数和(自身を除く): 13457187

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 399, 441, 931, 1197, 2087, 2793, 6261, 8379, 14609, 18783, 39653, 43827, 102263, 118959, 131481, 277571, 306789, 356877, 832713, 920367, 1942997, 2498139, 5828991, 17486973]

約数ペア:

[(1, 17486973), (3, 5828991), (7, 2498139), (9, 1942997), (19, 920367), (21, 832713), (49, 356877), (57, 306789), (63, 277571), (133, 131481), (147, 118959), (171, 102263), (399, 43827), (441, 39653), (931, 18783), (1197, 14609), (2087, 8379), (2793, 6261)]