1289022021

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{552991}}^1$

素因数の和:553041

約数の個数: 24

約数和(自身を含む): 2185424384

約数和(自身を除く): 896402363

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 552991, 1658973, 3870937, 4976919, 11612811, 20460667, 34838433, 61382001, 143224669, 184146003, 429674007, 1289022021]

約数ペア:

[(1, 1289022021), (3, 429674007), (7, 184146003), (9, 143224669), (21, 61382001), (37, 34838433), (63, 20460667), (111, 11612811), (259, 4976919), (333, 3870937), (777, 1658973), (2331, 552991)]