47013981

素因数分解:

$3^1\times 7^4\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 75021984

約数和(自身を除く): 28008003

約数列:

[1, 3, 7, 21, 49, 61, 107, 147, 183, 321, 343, 427, 749, 1029, 1281, 2247, 2401, 2989, 5243, 6527, 7203, 8967, 15729, 19581, 20923, 36701, 45689, 62769, 110103, 137067, 146461, 256907, 319823, 439383, 770721, 959469, 2238761, 6716283, 15671327, 47013981]

約数ペア:

[(1, 47013981), (3, 15671327), (7, 6716283), (21, 2238761), (49, 959469), (61, 770721), (107, 439383), (147, 319823), (183, 256907), (321, 146461), (343, 137067), (427, 110103), (749, 62769), (1029, 45689), (1281, 36701), (2247, 20923), (2401, 19581), (2989, 15729), (5243, 8967), (6527, 7203)]