49942221

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{7901}}^1$

素因数の和:7961

約数の個数: 24

約数和(自身を含む): 79272864

約数和(自身を除く): 29330643

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 6321, 7901, 23703, 55307, 165921, 339743, 387149, 1019229, 1161447, 2378201, 7134603, 16647407, 49942221]

約数ペア:

[(1, 49942221), (3, 16647407), (7, 7134603), (21, 2378201), (43, 1161447), (49, 1019229), (129, 387149), (147, 339743), (301, 165921), (903, 55307), (2107, 23703), (6321, 7901)]