2917887

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 4792320

約数和(自身を除く): 1874433

約数列:

[1, 3, 7, 19, 21, 57, 71, 103, 133, 213, 309, 399, 497, 721, 1349, 1491, 1957, 2163, 4047, 5871, 7313, 9443, 13699, 21939, 28329, 41097, 51191, 138947, 153573, 416841, 972629, 2917887]

約数ペア:

[(1, 2917887), (3, 972629), (7, 416841), (19, 153573), (21, 138947), (57, 51191), (71, 41097), (103, 28329), (133, 21939), (213, 13699), (309, 9443), (399, 7313), (497, 5871), (721, 4047), (1349, 2163), (1491, 1957)]