15989721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2677}}^1$

素因数の和:2872

約数の個数: 16

約数和(自身を含む): 23395008

約数和(自身を除く): 7405287

約数列:

[1, 3, 11, 33, 181, 543, 1991, 2677, 5973, 8031, 29447, 88341, 484537, 1453611, 5329907, 15989721]

約数ペア:

[(1, 15989721), (3, 5329907), (11, 1453611), (33, 484537), (181, 88341), (543, 29447), (1991, 8031), (2677, 5973)]