9971819

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 11823840

約数和(自身を除く): 1852021

約数列:

[1, 11, 13, 137, 143, 509, 1507, 1781, 5599, 6617, 19591, 69733, 72787, 767063, 906529, 9971819]

約数ペア:

[(1, 9971819), (11, 906529), (13, 767063), (137, 72787), (143, 69733), (509, 19591), (1507, 6617), (1781, 5599)]