78947001

素因数分解:

$3^3\times 7^1\times {\mathrm{617}}^1\times {\mathrm{677}}^1$

素因数の和:1310

約数の個数: 32

約数和(自身を含む): 134081280

約数和(自身を除く): 55134279

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 617, 677, 1851, 2031, 4319, 4739, 5553, 6093, 12957, 14217, 16659, 18279, 38871, 42651, 116613, 127953, 417709, 1253127, 2923963, 3759381, 8771889, 11278143, 26315667, 78947001]

約数ペア:

[(1, 78947001), (3, 26315667), (7, 11278143), (9, 8771889), (21, 3759381), (27, 2923963), (63, 1253127), (189, 417709), (617, 127953), (677, 116613), (1851, 42651), (2031, 38871), (4319, 18279), (4739, 16659), (5553, 14217), (6093, 12957)]