28755213

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1063}}^1$

素因数の和:1264

約数の個数: 16

約数和(自身を含む): 39223296

約数和(自身を除く): 10468083

約数列:

[1, 3, 71, 127, 213, 381, 1063, 3189, 9017, 27051, 75473, 135001, 226419, 405003, 9585071, 28755213]

約数ペア:

[(1, 28755213), (3, 9585071), (71, 405003), (127, 226419), (213, 135001), (381, 75473), (1063, 27051), (3189, 9017)]