28575519

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{6449}}^1$

素因数の和:6670

約数の個数: 16

約数和(自身を含む): 43756800

約数和(自身を除く): 15181281

約数列:

[1, 3, 7, 21, 211, 633, 1477, 4431, 6449, 19347, 45143, 135429, 1360739, 4082217, 9525173, 28575519]

約数ペア:

[(1, 28575519), (3, 9525173), (7, 4082217), (21, 1360739), (211, 135429), (633, 45143), (1477, 19347), (4431, 6449)]