28164129

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{9001}}^1$

素因数の和:9160

約数の個数: 16

約数和(自身を含む): 43209600

約数和(自身を除く): 15045471

約数列:

[1, 3, 7, 21, 149, 447, 1043, 3129, 9001, 27003, 63007, 189021, 1341149, 4023447, 9388043, 28164129]

約数ペア:

[(1, 28164129), (3, 9388043), (7, 4023447), (21, 1341149), (149, 189021), (447, 63007), (1043, 27003), (3129, 9001)]