215522681

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{5399}}^1$

素因数の和:5620

約数の個数: 16

約数和(自身を含む): 248832000

約数和(自身を除く): 33309319

約数列:

[1, 11, 19, 191, 209, 2101, 3629, 5399, 39919, 59389, 102581, 1031209, 1128391, 11343299, 19592971, 215522681]

約数ペア:

[(1, 215522681), (11, 19592971), (19, 11343299), (191, 1128391), (209, 1031209), (2101, 102581), (3629, 59389), (5399, 39919)]