39998961

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{40039}}^1$

素因数の和:40085

約数の個数: 16

約数和(自身を含む): 60860800

約数和(自身を除く): 20861839

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 40039, 120117, 360351, 1081053, 1481443, 4444329, 13332987, 39998961]

約数ペア:

[(1, 39998961), (3, 13332987), (9, 4444329), (27, 1481443), (37, 1081053), (111, 360351), (333, 120117), (999, 40039)]