4008987

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{4013}}^1$

素因数の和:4059

約数の個数: 16

約数和(自身を含む): 6101280

約数和(自身を除く): 2092293

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 4013, 12039, 36117, 108351, 148481, 445443, 1336329, 4008987]

約数ペア:

[(1, 4008987), (3, 1336329), (9, 445443), (27, 148481), (37, 108351), (111, 36117), (333, 12039), (999, 4013)]