81787739

素因数分解:

${\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 90720000

約数和(自身を除く): 8932261

約数列:

[1, 11, 139, 149, 359, 1529, 1639, 3949, 20711, 49901, 53491, 227821, 548911, 588401, 7435249, 81787739]

約数ペア:

[(1, 81787739), (11, 7435249), (139, 588401), (149, 548911), (359, 227821), (1529, 53491), (1639, 49901), (3949, 20711)]