81904077

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{1801}}^1$

素因数の和:2001

約数の個数: 24

約数和(自身を含む): 122939648

約数和(自身を除く): 41035571

約数列:

[1, 3, 9, 31, 93, 163, 279, 489, 1467, 1801, 5053, 5403, 15159, 16209, 45477, 55831, 167493, 293563, 502479, 880689, 2642067, 9100453, 27301359, 81904077]

約数ペア:

[(1, 81904077), (3, 27301359), (9, 9100453), (31, 2642067), (93, 880689), (163, 502479), (279, 293563), (489, 167493), (1467, 55831), (1801, 45477), (5053, 16209), (5403, 15159)]