16646985

素因数分解:

$3^3\times 5^1\times {\mathrm{123311}}^1$

素因数の和:123325

約数の個数: 16

約数和(自身を含む): 29594880

約数和(自身を除く): 12947895

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 123311, 369933, 616555, 1109799, 1849665, 3329397, 5548995, 16646985]

約数ペア:

[(1, 16646985), (3, 5548995), (5, 3329397), (9, 1849665), (15, 1109799), (27, 616555), (45, 369933), (135, 123311)]