28256913

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{1049}}^1$

素因数の和:1169

約数の個数: 24

約数和(自身を含む): 42424200

約数和(自身を除く): 14167287

約数列:

[1, 3, 9, 41, 73, 123, 219, 369, 657, 1049, 2993, 3147, 8979, 9441, 26937, 43009, 76577, 129027, 229731, 387081, 689193, 3139657, 9418971, 28256913]

約数ペア:

[(1, 28256913), (3, 9418971), (9, 3139657), (41, 689193), (73, 387081), (123, 229731), (219, 129027), (369, 76577), (657, 43009), (1049, 26937), (2993, 9441), (3147, 8979)]