81782987

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 105144480

約数和(自身を除く): 23361493

約数列:

[1, 11, 13, 29, 37, 41, 143, 169, 319, 377, 407, 451, 481, 533, 1073, 1189, 1517, 1859, 4147, 4901, 5291, 5863, 6253, 6929, 11803, 13079, 13949, 15457, 16687, 19721, 43993, 53911, 68783, 76219, 153439, 170027, 181337, 200941, 216931, 256373, 483923, 571909, 1994707, 2210351, 2820103, 6290999, 7434817, 81782987]

約数ペア:

[(1, 81782987), (11, 7434817), (13, 6290999), (29, 2820103), (37, 2210351), (41, 1994707), (143, 571909), (169, 483923), (319, 256373), (377, 216931), (407, 200941), (451, 181337), (481, 170027), (533, 153439), (1073, 76219), (1189, 68783), (1517, 53911), (1859, 43993), (4147, 19721), (4901, 16687), (5291, 15457), (5863, 13949), (6253, 13079), (6929, 11803)]