28390857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{4973}}^1$

素因数の和:5160

約数の個数: 16

約数和(自身を含む): 41542848

約数和(自身を除く): 13151991

約数列:

[1, 3, 11, 33, 173, 519, 1903, 4973, 5709, 14919, 54703, 164109, 860329, 2580987, 9463619, 28390857]

約数ペア:

[(1, 28390857), (3, 9463619), (11, 2580987), (33, 860329), (173, 164109), (519, 54703), (1903, 14919), (4973, 5709)]