1680371

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:314

約数の個数: 16

約数和(自身を含む): 2123520

約数和(自身を除く): 443149

約数列:

[1, 7, 11, 77, 139, 157, 973, 1099, 1529, 1727, 10703, 12089, 21823, 152761, 240053, 1680371]

約数ペア:

[(1, 1680371), (7, 240053), (11, 152761), (77, 21823), (139, 12089), (157, 10703), (973, 1727), (1099, 1529)]