2021895

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{881}}^1$

素因数の和:912

約数の個数: 32

約数和(自身を含む): 3810240

約数和(自身を除く): 1788345

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 85, 135, 153, 255, 459, 765, 881, 2295, 2643, 4405, 7929, 13215, 14977, 23787, 39645, 44931, 74885, 118935, 134793, 224655, 404379, 673965, 2021895]

約数ペア:

[(1, 2021895), (3, 673965), (5, 404379), (9, 224655), (15, 134793), (17, 118935), (27, 74885), (45, 44931), (51, 39645), (85, 23787), (135, 14977), (153, 13215), (255, 7929), (459, 4405), (765, 2643), (881, 2295)]