13202915

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 17651760

約数和(自身を除く): 4448845

約数列:

[1, 5, 11, 55, 121, 139, 157, 605, 695, 785, 1529, 1727, 7645, 8635, 16819, 18997, 21823, 84095, 94985, 109115, 240053, 1200265, 2640583, 13202915]

約数ペア:

[(1, 13202915), (5, 2640583), (11, 1200265), (55, 240053), (121, 109115), (139, 94985), (157, 84095), (605, 21823), (695, 18997), (785, 16819), (1529, 8635), (1727, 7645)]