28307631

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19949}}^1$

素因数の和:20006

約数の個数: 16

約数和(自身を含む): 42134400

約数和(自身を除く): 13826769

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 19949, 59847, 219439, 658317, 857807, 2573421, 9435877, 28307631]

約数ペア:

[(1, 28307631), (3, 9435877), (11, 2573421), (33, 857807), (43, 658317), (129, 219439), (473, 59847), (1419, 19949)]