68039109

素因数分解:

$3^4\times {\mathrm{887}}^1\times {\mathrm{947}}^1$

素因数の和:1846

約数の個数: 20

約数和(自身を含む): 101860704

約数和(自身を除く): 33821595

約数列:

[1, 3, 9, 27, 81, 887, 947, 2661, 2841, 7983, 8523, 23949, 25569, 71847, 76707, 839989, 2519967, 7559901, 22679703, 68039109]

約数ペア:

[(1, 68039109), (3, 22679703), (9, 7559901), (27, 2519967), (81, 839989), (887, 76707), (947, 71847), (2661, 25569), (2841, 23949), (7983, 8523)]