127968267

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:579

約数の個数: 32

約数和(自身を含む): 198342144

約数和(自身を除く): 70373877

約数列:

[1, 3, 7, 21, 131, 181, 257, 393, 543, 771, 917, 1267, 1799, 2751, 3801, 5397, 23711, 33667, 46517, 71133, 101001, 139551, 165977, 235669, 325619, 497931, 707007, 976857, 6093727, 18281181, 42656089, 127968267]

約数ペア:

[(1, 127968267), (3, 42656089), (7, 18281181), (21, 6093727), (131, 976857), (181, 707007), (257, 497931), (393, 325619), (543, 235669), (771, 165977), (917, 139551), (1267, 101001), (1799, 71133), (2751, 46517), (3801, 33667), (5397, 23711)]