39487581

素因数分解:

$3^4\times 7^2\times {\mathrm{9949}}^1$

素因数の和:9975

約数の個数: 30

約数和(自身を含む): 68625150

約数和(自身を除く): 29137569

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 9949, 29847, 69643, 89541, 208929, 268623, 487501, 626787, 805869, 1462503, 1880361, 4387509, 5641083, 13162527, 39487581]

約数ペア:

[(1, 39487581), (3, 13162527), (7, 5641083), (9, 4387509), (21, 1880361), (27, 1462503), (49, 805869), (63, 626787), (81, 487501), (147, 268623), (189, 208929), (441, 89541), (567, 69643), (1323, 29847), (3969, 9949)]