768236643

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{178951}}^1$

素因数の和:179016

約数の個数: 20

約数和(自身を含む): 1169272368

約数和(自身を除く): 401035725

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 178951, 536853, 1610559, 4831677, 9484403, 14495031, 28453209, 85359627, 256078881, 768236643]

約数ペア:

[(1, 768236643), (3, 256078881), (9, 85359627), (27, 28453209), (53, 14495031), (81, 9484403), (159, 4831677), (477, 1610559), (1431, 536853), (4293, 178951)]