207973413

素因数分解:

$3^4\times {\mathrm{29}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:184

約数の個数: 60

約数和(自身を含む): 333878688

約数和(自身を除く): 125905275

約数列:

[1, 3, 9, 27, 29, 43, 71, 81, 87, 129, 213, 261, 387, 639, 783, 841, 1161, 1247, 1917, 2059, 2349, 2523, 3053, 3483, 3741, 5751, 6177, 7569, 9159, 11223, 18531, 22707, 27477, 33669, 36163, 55593, 59711, 68121, 82431, 88537, 101007, 108489, 166779, 179133, 247293, 265611, 325467, 537399, 796833, 976401, 1612197, 2390499, 2567573, 2929203, 4836591, 7171497, 7702719, 23108157, 69324471, 207973413]

約数ペア:

[(1, 207973413), (3, 69324471), (9, 23108157), (27, 7702719), (29, 7171497), (43, 4836591), (71, 2929203), (81, 2567573), (87, 2390499), (129, 1612197), (213, 976401), (261, 796833), (387, 537399), (639, 325467), (783, 265611), (841, 247293), (1161, 179133), (1247, 166779), (1917, 108489), (2059, 101007), (2349, 88537), (2523, 82431), (3053, 68121), (3483, 59711), (3741, 55593), (5751, 36163), (6177, 33669), (7569, 27477), (9159, 22707), (11223, 18531)]