13262389

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{8731}}^1$

素因数の和:8776

約数の個数: 12

約数和(自身を含む): 15927168

約数和(自身を除く): 2664779

約数列:

[1, 7, 31, 49, 217, 1519, 8731, 61117, 270661, 427819, 1894627, 13262389]

約数ペア:

[(1, 13262389), (7, 1894627), (31, 427819), (49, 270661), (217, 61117), (1519, 8731)]