29721321

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27751}}^1$

素因数の和:27781

約数の個数: 24

約数和(自身を含む): 51951744

約数和(自身を除く): 22230423

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 27751, 83253, 194257, 249759, 471767, 582771, 1415301, 1748313, 3302369, 4245903, 9907107, 29721321]

約数ペア:

[(1, 29721321), (3, 9907107), (7, 4245903), (9, 3302369), (17, 1748313), (21, 1415301), (51, 582771), (63, 471767), (119, 249759), (153, 194257), (357, 83253), (1071, 27751)]