1987775730721

素因数分解:

${\mathrm{11}}^2\times {\mathrm{18869}}^1\times {\mathrm{870629}}^1$

素因数の和:889520

約数の個数: 12

約数和(自身を含む): 2185028817300

約数和(自身を除く): 197253086579

約数列:

[1, 11, 121, 18869, 207559, 870629, 2283149, 9576919, 105346109, 16427898601, 180706884611, 1987775730721]

約数ペア:

[(1, 1987775730721), (11, 180706884611), (121, 16427898601), (18869, 105346109), (207559, 9576919), (870629, 2283149)]