128530857

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{7027}}^1$

素因数の和:7117

約数の個数: 32

約数和(自身を含む): 214100992

約数和(自身を除く): 85570135

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 1407, 2613, 6097, 7027, 18291, 21081, 49189, 91351, 147567, 274053, 470809, 639457, 1412427, 1918371, 3295663, 6120517, 9886989, 18361551, 42843619, 128530857]

約数ペア:

[(1, 128530857), (3, 42843619), (7, 18361551), (13, 9886989), (21, 6120517), (39, 3295663), (67, 1918371), (91, 1412427), (201, 639457), (273, 470809), (469, 274053), (871, 147567), (1407, 91351), (2613, 49189), (6097, 21081), (7027, 18291)]