205151409

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{827}}^1$

素因数の和:1517

約数の個数: 24

約数和(自身を含む): 304061472

約数和(自身を除く): 98910063

約数列:

[1, 3, 9, 43, 129, 387, 641, 827, 1923, 2481, 5769, 7443, 27563, 35561, 82689, 106683, 248067, 320049, 530107, 1590321, 4770963, 22794601, 68383803, 205151409]

約数ペア:

[(1, 205151409), (3, 68383803), (9, 22794601), (43, 4770963), (129, 1590321), (387, 530107), (641, 320049), (827, 248067), (1923, 106683), (2481, 82689), (5769, 35561), (7443, 27563)]