280268001

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{140909}}^1$

素因数の和:140945

約数の個数: 24

約数和(自身を含む): 461621160

約数和(自身を除く): 181353159

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 140909, 422727, 1268181, 1831817, 2395453, 5495451, 7186359, 16486353, 21559077, 31140889, 93422667, 280268001]

約数ペア:

[(1, 280268001), (3, 93422667), (9, 31140889), (13, 21559077), (17, 16486353), (39, 7186359), (51, 5495451), (117, 2395453), (153, 1831817), (221, 1268181), (663, 422727), (1989, 140909)]