79981161

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1289}}^1$

素因数の和:1385

約数の個数: 32

約数和(自身を含む): 120785280

約数和(自身を除く): 40804119

約数列:

[1, 3, 13, 37, 39, 43, 111, 129, 481, 559, 1289, 1443, 1591, 1677, 3867, 4773, 16757, 20683, 47693, 50271, 55427, 62049, 143079, 166281, 620009, 720551, 1860027, 2050799, 2161653, 6152397, 26660387, 79981161]

約数ペア:

[(1, 79981161), (3, 26660387), (13, 6152397), (37, 2161653), (39, 2050799), (43, 1860027), (111, 720551), (129, 620009), (481, 166281), (559, 143079), (1289, 62049), (1443, 55427), (1591, 50271), (1677, 47693), (3867, 20683), (4773, 16757)]