28403331

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{1997}}^1$

素因数の和:2442

約数の個数: 16

約数和(自身を含む): 41430528

約数和(自身を除く): 13027197

約数列:

[1, 3, 11, 33, 431, 1293, 1997, 4741, 5991, 14223, 21967, 65901, 860707, 2582121, 9467777, 28403331]

約数ペア:

[(1, 28403331), (3, 9467777), (11, 2582121), (33, 860707), (431, 65901), (1293, 21967), (1997, 14223), (4741, 5991)]