2161159

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1$

素因数の和:175

約数の個数: 32

約数和(自身を含む): 3096576

約数和(自身を除く): 935417

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 127, 143, 187, 221, 889, 1001, 1309, 1397, 1547, 1651, 2159, 2431, 9779, 11557, 15113, 17017, 18161, 23749, 28067, 127127, 166243, 196469, 308737, 2161159]

約数ペア:

[(1, 2161159), (7, 308737), (11, 196469), (13, 166243), (17, 127127), (77, 28067), (91, 23749), (119, 18161), (127, 17017), (143, 15113), (187, 11557), (221, 9779), (889, 2431), (1001, 2159), (1309, 1651), (1397, 1547)]