39711231

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{137}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 68200704

約数和(自身を除く): 28489473

約数列:

[1, 3, 7, 9, 21, 43, 63, 107, 129, 137, 301, 321, 387, 411, 749, 903, 959, 963, 1233, 2247, 2709, 2877, 4601, 5891, 6741, 8631, 13803, 14659, 17673, 32207, 41237, 41409, 43977, 53019, 96621, 102613, 123711, 131931, 289863, 307839, 371133, 630337, 923517, 1891011, 4412359, 5673033, 13237077, 39711231]

約数ペア:

[(1, 39711231), (3, 13237077), (7, 5673033), (9, 4412359), (21, 1891011), (43, 923517), (63, 630337), (107, 371133), (129, 307839), (137, 289863), (301, 131931), (321, 123711), (387, 102613), (411, 96621), (749, 53019), (903, 43977), (959, 41409), (963, 41237), (1233, 32207), (2247, 17673), (2709, 14659), (2877, 13803), (4601, 8631), (5891, 6741)]