28221369

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{743}}^1\times {\mathrm{1151}}^1$

素因数の和:1908

約数の個数: 16

約数和(自身を含む): 41140224

約数和(自身を除く): 12918855

約数列:

[1, 3, 11, 33, 743, 1151, 2229, 3453, 8173, 12661, 24519, 37983, 855193, 2565579, 9407123, 28221369]

約数ペア:

[(1, 28221369), (3, 9407123), (11, 2565579), (33, 855193), (743, 37983), (1151, 24519), (2229, 12661), (3453, 8173)]