64694943

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:489

約数の個数: 40

約数和(自身を含む): 102840320

約数和(自身を除く): 38145377

約数列:

[1, 3, 9, 19, 27, 57, 81, 127, 171, 331, 381, 513, 993, 1143, 1539, 2413, 2979, 3429, 6289, 7239, 8937, 10287, 18867, 21717, 26811, 42037, 56601, 65151, 126111, 169803, 195453, 378333, 509409, 798703, 1134999, 2396109, 3404997, 7188327, 21564981, 64694943]

約数ペア:

[(1, 64694943), (3, 21564981), (9, 7188327), (19, 3404997), (27, 2396109), (57, 1134999), (81, 798703), (127, 509409), (171, 378333), (331, 195453), (381, 169803), (513, 126111), (993, 65151), (1143, 56601), (1539, 42037), (2413, 26811), (2979, 21717), (3429, 18867), (6289, 10287), (7239, 8937)]