68807955

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{997}}^1$

素因数の和:1155

約数の個数: 32

約数和(自身を含む): 113819904

約数和(自身を除く): 45011949

約数列:

[1, 3, 5, 15, 43, 107, 129, 215, 321, 535, 645, 997, 1605, 2991, 4601, 4985, 13803, 14955, 23005, 42871, 69015, 106679, 128613, 214355, 320037, 533395, 643065, 1600185, 4587197, 13761591, 22935985, 68807955]

約数ペア:

[(1, 68807955), (3, 22935985), (5, 13761591), (15, 4587197), (43, 1600185), (107, 643065), (129, 533395), (215, 320037), (321, 214355), (535, 128613), (645, 106679), (997, 69015), (1605, 42871), (2991, 23005), (4601, 14955), (4985, 13803)]