20171295

素因数分解:

$3^3\times 5^1\times {\mathrm{149417}}^1$

素因数の和:149431

約数の個数: 16

約数和(自身を含む): 35860320

約数和(自身を除く): 15689025

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149417, 448251, 747085, 1344753, 2241255, 4034259, 6723765, 20171295]

約数ペア:

[(1, 20171295), (3, 6723765), (5, 4034259), (9, 2241255), (15, 1344753), (27, 747085), (45, 448251), (135, 149417)]