39974391

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:577

約数の個数: 40

約数和(自身を含む): 63888000

約数和(自身を除く): 23913609

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 129, 207, 387, 499, 621, 989, 1161, 1497, 1863, 2967, 3483, 4491, 8901, 11477, 13473, 21457, 26703, 34431, 40419, 64371, 80109, 103293, 193113, 309879, 493511, 579339, 929637, 1480533, 1738017, 4441599, 13324797, 39974391]

約数ペア:

[(1, 39974391), (3, 13324797), (9, 4441599), (23, 1738017), (27, 1480533), (43, 929637), (69, 579339), (81, 493511), (129, 309879), (207, 193113), (387, 103293), (499, 80109), (621, 64371), (989, 40419), (1161, 34431), (1497, 26703), (1863, 21457), (2967, 13473), (3483, 11477), (4491, 8901)]