80857917

素因数分解:

$3^2\times 7^1\times {\mathrm{751}}^1\times {\mathrm{1709}}^1$

素因数の和:2473

約数の個数: 24

約数和(自身を含む): 133735680

約数和(自身を除く): 52877763

約数列:

[1, 3, 7, 9, 21, 63, 751, 1709, 2253, 5127, 5257, 6759, 11963, 15381, 15771, 35889, 47313, 107667, 1283459, 3850377, 8984213, 11551131, 26952639, 80857917]

約数ペア:

[(1, 80857917), (3, 26952639), (7, 11551131), (9, 8984213), (21, 3850377), (63, 1283459), (751, 107667), (1709, 47313), (2253, 35889), (5127, 15771), (5257, 15381), (6759, 11963)]