1036890981

素因数分解:

$3^2\times 7^1\times {\mathrm{821}}^1\times {\mathrm{20047}}^1$

素因数の和:20881

約数の個数: 24

約数和(自身を含む): 1713863424

約数和(自身を除く): 676972443

約数列:

[1, 3, 7, 9, 21, 63, 821, 2463, 5747, 7389, 17241, 20047, 51723, 60141, 140329, 180423, 420987, 1262961, 16458587, 49375761, 115210109, 148127283, 345630327, 1036890981]

約数ペア:

[(1, 1036890981), (3, 345630327), (7, 148127283), (9, 115210109), (21, 49375761), (63, 16458587), (821, 1262961), (2463, 420987), (5747, 180423), (7389, 140329), (17241, 60141), (20047, 51723)]