28145733

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{121843}}^1$

素因数の和:121864

約数の個数: 16

約数和(自身を含む): 46788096

約数和(自身を除く): 18642363

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 121843, 365529, 852901, 1340273, 2558703, 4020819, 9381911, 28145733]

約数ペア:

[(1, 28145733), (3, 9381911), (7, 4020819), (11, 2558703), (21, 1340273), (33, 852901), (77, 365529), (231, 121843)]