13220823

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{43}}^1$

素因数の和:97

約数の個数: 40

約数和(自身を含む): 22675840

約数和(自身を除く): 9455017

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 121, 129, 231, 301, 363, 473, 847, 903, 1331, 1419, 2541, 3311, 3993, 5203, 9317, 9933, 14641, 15609, 27951, 36421, 43923, 57233, 102487, 109263, 171699, 307461, 400631, 629563, 1201893, 1888689, 4406941, 13220823]

約数ペア:

[(1, 13220823), (3, 4406941), (7, 1888689), (11, 1201893), (21, 629563), (33, 400631), (43, 307461), (77, 171699), (121, 109263), (129, 102487), (231, 57233), (301, 43923), (363, 36421), (473, 27951), (847, 15609), (903, 14641), (1331, 9933), (1419, 9317), (2541, 5203), (3311, 3993)]