28290207

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37273}}^1$

素因数の和:37310

約数の個数: 16

約数和(自身を含む): 42939648

約数和(自身を除く): 14649441

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 37273, 111819, 410003, 857279, 1230009, 2571837, 9430069, 28290207]

約数ペア:

[(1, 28290207), (3, 9430069), (11, 2571837), (23, 1230009), (33, 857279), (69, 410003), (253, 111819), (759, 37273)]