40804821

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{677}}^1$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 60957624

約数和(自身を除く): 20152803

約数列:

[1, 3, 9, 37, 111, 181, 333, 543, 677, 1629, 2031, 6093, 6697, 20091, 25049, 60273, 75147, 122537, 225441, 367611, 1102833, 4533869, 13601607, 40804821]

約数ペア:

[(1, 40804821), (3, 13601607), (9, 4533869), (37, 1102833), (111, 367611), (181, 225441), (333, 122537), (543, 75147), (677, 60273), (1629, 25049), (2031, 20091), (6093, 6697)]