28889421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20359}}^1$

素因数の和:20416

約数の個数: 16

約数和(自身を含む): 43000320

約数和(自身を除く): 14110899

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 20359, 61077, 223949, 671847, 875437, 2626311, 9629807, 28889421]

約数ペア:

[(1, 28889421), (3, 9629807), (11, 2626311), (33, 875437), (43, 671847), (129, 223949), (473, 61077), (1419, 20359)]