16980456525

素因数分解:

$3^1\times 5^2\times {\mathrm{643}}^1\times {\mathrm{352109}}^1$

素因数の和:352765

約数の個数: 24

約数和(自身を含む): 28118096160

約数和(自身を除く): 11137639635

約数列:

[1, 3, 5, 15, 25, 75, 643, 1929, 3215, 9645, 16075, 48225, 352109, 1056327, 1760545, 5281635, 8802725, 26408175, 226406087, 679218261, 1132030435, 3396091305, 5660152175, 16980456525]

約数ペア:

[(1, 16980456525), (3, 5660152175), (5, 3396091305), (15, 1132030435), (25, 679218261), (75, 226406087), (643, 26408175), (1929, 8802725), (3215, 5281635), (9645, 1760545), (16075, 1056327), (48225, 352109)]