12212973

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:749

約数の個数: 24

約数和(自身を含む): 18528120

約数和(自身を除く): 6315147

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 641, 657, 1923, 2117, 5769, 6351, 18589, 19053, 46793, 55767, 140379, 167301, 421137, 1356997, 4070991, 12212973]

約数ペア:

[(1, 12212973), (3, 4070991), (9, 1356997), (29, 421137), (73, 167301), (87, 140379), (219, 55767), (261, 46793), (641, 19053), (657, 18589), (1923, 6351), (2117, 5769)]