1669329

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{557}}^1$

素因数の和:606

約数の個数: 20

約数和(自身を含む): 2565684

約数和(自身を除く): 896355

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 557, 999, 1671, 2997, 5013, 15039, 20609, 45117, 61827, 185481, 556443, 1669329]

約数ペア:

[(1, 1669329), (3, 556443), (9, 185481), (27, 61827), (37, 45117), (81, 20609), (111, 15039), (333, 5013), (557, 2997), (999, 1671)]