66856839

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{8819}}^1$

素因数の和:8867

約数の個数: 24

約数和(自身を含む): 107533440

約数和(自身を除く): 40676601

約数列:

[1, 3, 7, 19, 21, 57, 133, 361, 399, 1083, 2527, 7581, 8819, 26457, 61733, 167561, 185199, 502683, 1172927, 3183659, 3518781, 9550977, 22285613, 66856839]

約数ペア:

[(1, 66856839), (3, 22285613), (7, 9550977), (19, 3518781), (21, 3183659), (57, 1172927), (133, 502683), (361, 185199), (399, 167561), (1083, 61733), (2527, 26457), (7581, 8819)]