16942779

素因数分解:

$3^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{373}}^1$

素因数の和:496

約数の個数: 36

約数和(自身を含む): 28821936

約数和(自身を除く): 11879157

約数列:

[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 373, 441, 721, 927, 1119, 2163, 2611, 3357, 5047, 6489, 7833, 15141, 18277, 23499, 38419, 45423, 54831, 115257, 164493, 268933, 345771, 806799, 1882531, 2420397, 5647593, 16942779]

約数ペア:

[(1, 16942779), (3, 5647593), (7, 2420397), (9, 1882531), (21, 806799), (49, 345771), (63, 268933), (103, 164493), (147, 115257), (309, 54831), (373, 45423), (441, 38419), (721, 23499), (927, 18277), (1119, 15141), (2163, 7833), (2611, 6489), (3357, 5047)]