87201891

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{81421}}^1$

素因数の和:81451

約数の個数: 24

約数和(自身を含む): 152421984

約数和(自身を除く): 65220093

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 81421, 244263, 569947, 732789, 1384157, 1709841, 4152471, 5129523, 9689099, 12457413, 29067297, 87201891]

約数ペア:

[(1, 87201891), (3, 29067297), (7, 12457413), (9, 9689099), (17, 5129523), (21, 4152471), (51, 1709841), (63, 1384157), (119, 732789), (153, 569947), (357, 244263), (1071, 81421)]