1997831

素因数分解:

${\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:131

約数の個数: 16

約数和(自身を含む): 2342400

約数和(自身を除く): 344569

約数列:

[1, 11, 19, 79, 121, 209, 869, 1331, 1501, 2299, 9559, 16511, 25289, 105149, 181621, 1997831]

約数ペア:

[(1, 1997831), (11, 181621), (19, 105149), (79, 25289), (121, 16511), (209, 9559), (869, 2299), (1331, 1501)]