28057821

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{27427}}^1$

素因数の和:27472

約数の個数: 16

約数和(自身を含む): 42129408

約数和(自身を除く): 14071587

約数列:

[1, 3, 11, 31, 33, 93, 341, 1023, 27427, 82281, 301697, 850237, 905091, 2550711, 9352607, 28057821]

約数ペア:

[(1, 28057821), (3, 9352607), (11, 2550711), (31, 905091), (33, 850237), (93, 301697), (341, 82281), (1023, 27427)]