27988939

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 31749120

約数和(自身を除く): 3760181

約数列:

[1, 11, 31, 211, 341, 389, 2321, 4279, 6541, 12059, 71951, 82079, 132649, 902869, 2544449, 27988939]

約数ペア:

[(1, 27988939), (11, 2544449), (31, 902869), (211, 132649), (341, 82079), (389, 71951), (2321, 12059), (4279, 6541)]