28191273

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19867}}^1$

素因数の和:19924

約数の個数: 16

約数和(自身を含む): 41961216

約数和(自身を除く): 13769943

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 19867, 59601, 218537, 655611, 854281, 2562843, 9397091, 28191273]

約数ペア:

[(1, 28191273), (3, 9397091), (11, 2562843), (33, 854281), (43, 655611), (129, 218537), (473, 59601), (1419, 19867)]