13219239

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{787}}^1$

素因数の和:1310

約数の個数: 16

約数和(自身を含む): 19290240

約数和(自身を除く): 6071001

約数列:

[1, 3, 11, 33, 509, 787, 1527, 2361, 5599, 8657, 16797, 25971, 400583, 1201749, 4406413, 13219239]

約数ペア:

[(1, 13219239), (3, 4406413), (11, 1201749), (33, 400583), (509, 25971), (787, 16797), (1527, 8657), (2361, 5599)]