280548297

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{42643}}^1$

素因数の和:42709

約数の個数: 24

約数和(自身を含む): 439062624

約数和(自身を除く): 158514327

約数列:

[1, 3, 9, 17, 43, 51, 129, 153, 387, 731, 2193, 6579, 42643, 127929, 383787, 724931, 1833649, 2174793, 5500947, 6524379, 16502841, 31172033, 93516099, 280548297]

約数ペア:

[(1, 280548297), (3, 93516099), (9, 31172033), (17, 16502841), (43, 6524379), (51, 5500947), (129, 2174793), (153, 1833649), (387, 724931), (731, 383787), (2193, 127929), (6579, 42643)]