30831999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{54959}}^1$

素因数の和:54990

約数の個数: 16

約数和(自身を含む): 47485440

約数和(自身を除く): 16653441

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 54959, 164877, 604549, 934303, 1813647, 2802909, 10277333, 30831999]

約数ペア:

[(1, 30831999), (3, 10277333), (11, 2802909), (17, 1813647), (33, 934303), (51, 604549), (187, 164877), (561, 54959)]