26857155

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3203}}^1$

素因数の和:3267

約数の個数: 32

約数和(自身を含む): 47367936

約数和(自身を除く): 20510781

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2795, 3203, 8385, 9609, 16015, 41639, 48045, 124917, 137729, 208195, 413187, 624585, 688645, 1790477, 2065935, 5371431, 8952385, 26857155]

約数ペア:

[(1, 26857155), (3, 8952385), (5, 5371431), (13, 2065935), (15, 1790477), (39, 688645), (43, 624585), (65, 413187), (129, 208195), (195, 137729), (215, 124917), (559, 48045), (645, 41639), (1677, 16015), (2795, 9609), (3203, 8385)]