28007253

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{907}}^1$

素因数の和:1033

約数の個数: 24

約数和(自身を含む): 41927808

約数和(自身を除く): 13920555

約数列:

[1, 3, 9, 47, 73, 141, 219, 423, 657, 907, 2721, 3431, 8163, 10293, 30879, 42629, 66211, 127887, 198633, 383661, 595899, 3111917, 9335751, 28007253]

約数ペア:

[(1, 28007253), (3, 9335751), (9, 3111917), (47, 595899), (73, 383661), (141, 198633), (219, 127887), (423, 66211), (657, 42629), (907, 30879), (2721, 10293), (3431, 8163)]