64742187

素因数分解:

$3^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1\times {\mathrm{677}}^1$

素因数の和:1058

約数の個数: 16

約数和(自身を含む): 87478272

約数和(自身を除く): 22736085

約数列:

[1, 3, 127, 251, 381, 677, 753, 2031, 31877, 85979, 95631, 169927, 257937, 509781, 21580729, 64742187]

約数ペア:

[(1, 64742187), (3, 21580729), (127, 509781), (251, 257937), (381, 169927), (677, 95631), (753, 85979), (2031, 31877)]