28937289

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{8923}}^1$

素因数の和:8996

約数の個数: 16

約数和(自身を含む): 41121792

約数和(自身を除く): 12184503

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 8923, 26769, 205229, 419381, 615687, 1258143, 9645763, 28937289]

約数ペア:

[(1, 28937289), (3, 9645763), (23, 1258143), (47, 615687), (69, 419381), (141, 205229), (1081, 26769), (3243, 8923)]