28133985

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{170509}}^1$

素因数の和:170528

約数の個数: 16

約数和(自身を含む): 49106880

約数和(自身を除く): 20972895

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 170509, 511527, 852545, 1875599, 2557635, 5626797, 9377995, 28133985]

約数ペア:

[(1, 28133985), (3, 9377995), (5, 5626797), (11, 2557635), (15, 1875599), (33, 852545), (55, 511527), (165, 170509)]