289169919

素因数分解:

$3^4\times {\mathrm{449}}^1\times {\mathrm{7951}}^1$

素因数の和:8412

約数の個数: 20

約数和(自身を含む): 432986400

約数和(自身を除く): 143816481

約数列:

[1, 3, 9, 27, 81, 449, 1347, 4041, 7951, 12123, 23853, 36369, 71559, 214677, 644031, 3569999, 10709997, 32129991, 96389973, 289169919]

約数ペア:

[(1, 289169919), (3, 96389973), (9, 32129991), (27, 10709997), (81, 3569999), (449, 644031), (1347, 214677), (4041, 71559), (7951, 36369), (12123, 23853)]