213687519

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1\times {\mathrm{719}}^1$

素因数の和:1510

約数の個数: 16

約数和(自身を含む): 287585280

約数和(自身を除く): 73897761

約数列:

[1, 3, 157, 471, 631, 719, 1893, 2157, 99067, 112883, 297201, 338649, 453689, 1361067, 71229173, 213687519]

約数ペア:

[(1, 213687519), (3, 71229173), (157, 1361067), (471, 453689), (631, 338649), (719, 297201), (1893, 112883), (2157, 99067)]