217266543

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{68777}}^1$

素因数の和:68805

約数の個数: 24

約数和(自身を含む): 350492688

約数和(自身を除く): 133226145

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 68777, 206331, 618993, 894101, 1856979, 2682303, 5570937, 8046909, 16712811, 24140727, 72422181, 217266543]

約数ペア:

[(1, 217266543), (3, 72422181), (9, 24140727), (13, 16712811), (27, 8046909), (39, 5570937), (81, 2682303), (117, 1856979), (243, 894101), (351, 618993), (1053, 206331), (3159, 68777)]