3890439

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1669}}^1$

素因数の和:1719

約数の個数: 24

約数和(自身を含む): 6599840

約数和(自身を除く): 2709401

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 1669, 2331, 5007, 11683, 15021, 35049, 61753, 105147, 185259, 432271, 555777, 1296813, 3890439]

約数ペア:

[(1, 3890439), (3, 1296813), (7, 555777), (9, 432271), (21, 185259), (37, 105147), (63, 61753), (111, 35049), (259, 15021), (333, 11683), (777, 5007), (1669, 2331)]