2018656485

素因数分解:

$3^4\times 5^1\times {\mathrm{4984337}}^1$

素因数の和:4984354

約数の個数: 20

約数和(自身を含む): 3618629388

約数和(自身を除く): 1599972903

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 4984337, 14953011, 24921685, 44859033, 74765055, 134577099, 224295165, 403731297, 672885495, 2018656485]

約数ペア:

[(1, 2018656485), (3, 672885495), (5, 403731297), (9, 224295165), (15, 134577099), (27, 74765055), (45, 44859033), (81, 24921685), (135, 14953011), (405, 4984337)]