20161164987

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{9521}}^1\times {\mathrm{6359}}^1$

素因数の和:15923

約数の個数: 24

約数和(自身を含む): 29916600480

約数和(自身を除く): 9755435493

約数列:

[1, 3, 9, 37, 111, 333, 6359, 9521, 19077, 28563, 57231, 85689, 235283, 352277, 705849, 1056831, 2117547, 3170493, 60544039, 181632117, 544896351, 2240129443, 6720388329, 20161164987]

約数ペア:

[(1, 20161164987), (3, 6720388329), (9, 2240129443), (37, 544896351), (111, 181632117), (333, 60544039), (6359, 3170493), (9521, 2117547), (19077, 1056831), (28563, 705849), (57231, 352277), (85689, 235283)]