22771791

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1997}}^1$

素因数の和:2191

約数の個数: 24

約数和(自身を含む): 37818144

約数和(自身を除く): 15046353

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 1997, 3801, 5991, 11403, 13979, 17973, 41937, 125811, 361457, 1084371, 2530199, 3253113, 7590597, 22771791]

約数ペア:

[(1, 22771791), (3, 7590597), (7, 3253113), (9, 2530199), (21, 1084371), (63, 361457), (181, 125811), (543, 41937), (1267, 17973), (1629, 13979), (1997, 11403), (3801, 5991)]