2980287

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 4815360

約数和(自身を除く): 1835073

約数列:

[1, 3, 9, 17, 27, 43, 51, 129, 151, 153, 387, 453, 459, 731, 1161, 1359, 2193, 2567, 4077, 6493, 6579, 7701, 19479, 19737, 23103, 58437, 69309, 110381, 175311, 331143, 993429, 2980287]

約数ペア:

[(1, 2980287), (3, 993429), (9, 331143), (17, 175311), (27, 110381), (43, 69309), (51, 58437), (129, 23103), (151, 19737), (153, 19479), (387, 7701), (453, 6579), (459, 6493), (731, 4077), (1161, 2567), (1359, 2193)]