3995721

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 6115200

約数和(自身を除く): 2119479

約数列:

[1, 3, 9, 23, 69, 97, 199, 207, 291, 597, 873, 1791, 2231, 4577, 6693, 13731, 19303, 20079, 41193, 57909, 173727, 443969, 1331907, 3995721]

約数ペア:

[(1, 3995721), (3, 1331907), (9, 443969), (23, 173727), (69, 57909), (97, 41193), (199, 20079), (207, 19303), (291, 13731), (597, 6693), (873, 4577), (1791, 2231)]