68719791

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{1949}}^1$

素因数の和:2055

約数の個数: 32

約数和(自身を含む): 110822400

約数和(自身を除く): 42102609

約数列:

[1, 3, 7, 21, 23, 69, 73, 161, 219, 483, 511, 1533, 1679, 1949, 5037, 5847, 11753, 13643, 35259, 40929, 44827, 134481, 142277, 313789, 426831, 941367, 995939, 2987817, 3272371, 9817113, 22906597, 68719791]

約数ペア:

[(1, 68719791), (3, 22906597), (7, 9817113), (21, 3272371), (23, 2987817), (69, 995939), (73, 941367), (161, 426831), (219, 313789), (483, 142277), (511, 134481), (1533, 44827), (1679, 40929), (1949, 35259), (5037, 13643), (5847, 11753)]