231418719

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{12799}}^1$

素因数の和:12860

約数の個数: 36

約数和(自身を含む): 398361600

約数和(自身を除く): 166942881

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 2009, 2583, 6027, 12799, 18081, 38397, 89593, 115191, 268779, 524759, 627151, 806337, 1574277, 1881453, 3673313, 4722831, 5644359, 11019939, 25713191, 33059817, 77139573, 231418719]

約数ペア:

[(1, 231418719), (3, 77139573), (7, 33059817), (9, 25713191), (21, 11019939), (41, 5644359), (49, 4722831), (63, 3673313), (123, 1881453), (147, 1574277), (287, 806337), (369, 627151), (441, 524759), (861, 268779), (2009, 115191), (2583, 89593), (6027, 38397), (12799, 18081)]