28220757

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{15971}}^1$

素因数の和:16024

約数の個数: 16

約数和(自身を含む): 40888320

約数和(自身を除く): 12667563

約数列:

[1, 3, 19, 31, 57, 93, 589, 1767, 15971, 47913, 303449, 495101, 910347, 1485303, 9406919, 28220757]

約数ペア:

[(1, 28220757), (3, 9406919), (19, 1485303), (31, 910347), (57, 495101), (93, 303449), (589, 47913), (1767, 15971)]