68378931

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{739}}^1$

素因数の和:920

約数の個数: 32

約数和(自身を含む): 106560000

約数和(自身を除く): 38181069

約数列:

[1, 3, 9, 23, 27, 69, 149, 207, 447, 621, 739, 1341, 2217, 3427, 4023, 6651, 10281, 16997, 19953, 30843, 50991, 92529, 110111, 152973, 330333, 458919, 990999, 2532553, 2972997, 7597659, 22792977, 68378931]

約数ペア:

[(1, 68378931), (3, 22792977), (9, 7597659), (23, 2972997), (27, 2532553), (69, 990999), (149, 458919), (207, 330333), (447, 152973), (621, 110111), (739, 92529), (1341, 50991), (2217, 30843), (3427, 19953), (4023, 16997), (6651, 10281)]