81840407

素因数分解:

${\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 94515120

約数和(自身を除く): 12674713

約数列:

[1, 11, 29, 83, 121, 281, 319, 913, 2407, 3091, 3509, 8149, 10043, 23323, 26477, 34001, 89639, 256553, 291247, 676367, 986029, 2822083, 7440037, 81840407]

約数ペア:

[(1, 81840407), (11, 7440037), (29, 2822083), (83, 986029), (121, 676367), (281, 291247), (319, 256553), (913, 89639), (2407, 34001), (3091, 26477), (3509, 23323), (8149, 10043)]