28915971

素因数分解:

$3^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{5081}}^1$

素因数の和:5362

約数の個数: 16

約数和(自身を含む): 44233728

約数和(自身を除く): 15317757

約数列:

[1, 3, 7, 21, 271, 813, 1897, 5081, 5691, 15243, 35567, 106701, 1376951, 4130853, 9638657, 28915971]

約数ペア:

[(1, 28915971), (3, 9638657), (7, 4130853), (21, 1376951), (271, 106701), (813, 35567), (1897, 15243), (5081, 5691)]