389613231

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{213253}}^1$

素因数の和:213295

約数の個数: 24

約数和(自身を含む): 665352480

約数和(自身を除く): 275739249

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1827, 213253, 639759, 1492771, 1919277, 4478313, 6184337, 13434939, 18553011, 43290359, 55659033, 129871077, 389613231]

約数ペア:

[(1, 389613231), (3, 129871077), (7, 55659033), (9, 43290359), (21, 18553011), (29, 13434939), (63, 6184337), (87, 4478313), (203, 1919277), (261, 1492771), (609, 639759), (1827, 213253)]