16993809

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{14197}}^1$

素因数の和:14229

約数の個数: 24

約数和(自身を含む): 29531840

約数和(自身を除く): 12538031

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 14197, 42591, 99379, 127773, 269743, 298137, 809229, 894411, 1888201, 2427687, 5664603, 16993809]

約数ペア:

[(1, 16993809), (3, 5664603), (7, 2427687), (9, 1888201), (19, 894411), (21, 809229), (57, 298137), (63, 269743), (133, 127773), (171, 99379), (399, 42591), (1197, 14197)]