2009059921

素因数分解:

${\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{78691}}^1$

素因数の和:78924

約数の個数: 12

約数和(自身を含む): 2218799632

約数和(自身を除く): 209739711

約数列:

[1, 11, 121, 211, 2321, 25531, 78691, 865601, 9521611, 16603801, 182641811, 2009059921]

約数ペア:

[(1, 2009059921), (11, 182641811), (121, 16603801), (211, 9521611), (2321, 865601), (25531, 78691)]