981495

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1283}}^1$

素因数の和:1311

約数の個数: 24

約数和(自身を含む): 1802736

約数和(自身を除く): 821241

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1283, 3849, 6415, 11547, 19245, 21811, 57735, 65433, 109055, 196299, 327165, 981495]

約数ペア:

[(1, 981495), (3, 327165), (5, 196299), (9, 109055), (15, 65433), (17, 57735), (45, 21811), (51, 19245), (85, 11547), (153, 6415), (255, 3849), (765, 1283)]