81000871

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{1753}}^1$

素因数の和:1831

約数の個数: 24

約数和(自身を含む): 100777824

約数和(自身を除く): 19776953

約数列:

[1, 7, 23, 41, 49, 161, 287, 943, 1127, 1753, 2009, 6601, 12271, 40319, 46207, 71873, 85897, 282233, 503111, 1653079, 1975631, 3521777, 11571553, 81000871]

約数ペア:

[(1, 81000871), (7, 11571553), (23, 3521777), (41, 1975631), (49, 1653079), (161, 503111), (287, 282233), (943, 85897), (1127, 71873), (1753, 46207), (2009, 40319), (6601, 12271)]