28991985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{175709}}^1$

素因数の和:175728

約数の個数: 16

約数和(自身を含む): 50604480

約数和(自身を除く): 21612495

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 175709, 527127, 878545, 1932799, 2635635, 5798397, 9663995, 28991985]

約数ペア:

[(1, 28991985), (3, 9663995), (5, 5798397), (11, 2635635), (15, 1932799), (33, 878545), (55, 527127), (165, 175709)]