720670239

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109541}}^1$

素因数の和:109607

約数の個数: 24

約数和(自身を含む): 1127844432

約数和(自身を除く): 407174193

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 6579, 109541, 328623, 985869, 1862197, 4710263, 5586591, 14130789, 16759773, 42392367, 80074471, 240223413, 720670239]

約数ペア:

[(1, 720670239), (3, 240223413), (9, 80074471), (17, 42392367), (43, 16759773), (51, 14130789), (129, 5586591), (153, 4710263), (387, 1862197), (731, 985869), (2193, 328623), (6579, 109541)]