81490023

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{421}}^1$

素因数の和:604

約数の個数: 32

約数和(自身を含む): 123966720

約数和(自身を除く): 42476697

約数列:

[1, 3, 9, 27, 67, 107, 201, 321, 421, 603, 963, 1263, 1809, 2889, 3789, 7169, 11367, 21507, 28207, 45047, 64521, 84621, 135141, 193563, 253863, 405423, 761589, 1216269, 3018149, 9054447, 27163341, 81490023]

約数ペア:

[(1, 81490023), (3, 27163341), (9, 9054447), (27, 3018149), (67, 1216269), (107, 761589), (201, 405423), (321, 253863), (421, 193563), (603, 135141), (963, 84621), (1263, 64521), (1809, 45047), (2889, 28207), (3789, 21507), (7169, 11367)]