28211457

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{691}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 38973440

約数和(自身を除く): 10761983

約数列:

[1, 3, 31, 93, 439, 691, 1317, 2073, 13609, 21421, 40827, 64263, 303349, 910047, 9403819, 28211457]

約数ペア:

[(1, 28211457), (3, 9403819), (31, 910047), (93, 303349), (439, 64263), (691, 40827), (1317, 21421), (2073, 13609)]