239741937

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{41687}}^1$

素因数の和:41770

約数の個数: 20

約数和(自身を含む): 363185856

約数和(自身を除く): 123443919

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 41687, 125061, 375183, 1125549, 2959777, 3376647, 8879331, 26637993, 79913979, 239741937]

約数ペア:

[(1, 239741937), (3, 79913979), (9, 26637993), (27, 8879331), (71, 3376647), (81, 2959777), (213, 1125549), (639, 375183), (1917, 125061), (5751, 41687)]