78872049

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{26317}}^1$

素因数の和:26366

約数の個数: 20

約数和(自身を含む): 121010164

約数和(自身を除く): 42138115

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 26317, 78951, 236853, 710559, 973729, 2131677, 2921187, 8763561, 26290683, 78872049]

約数ペア:

[(1, 78872049), (3, 26290683), (9, 8763561), (27, 2921187), (37, 2131677), (81, 973729), (111, 710559), (333, 236853), (999, 78951), (2997, 26317)]