28116879

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{2531}}^1$

素因数の和:2587

約数の個数: 24

約数和(自身を含む): 44806272

約数和(自身を除く): 16689393

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 529, 1587, 2531, 3703, 7593, 11109, 17717, 53151, 58213, 174639, 407491, 1222473, 1338899, 4016697, 9372293, 28116879]

約数ペア:

[(1, 28116879), (3, 9372293), (7, 4016697), (21, 1338899), (23, 1222473), (69, 407491), (161, 174639), (483, 58213), (529, 53151), (1587, 17717), (2531, 11109), (3703, 7593)]