13537279

素因数分解:

$7^2\times {\mathrm{431}}^1\times {\mathrm{641}}^1$

素因数の和:1086

約数の個数: 12

約数和(自身を含む): 15808608

約数和(自身を除く): 2271329

約数列:

[1, 7, 49, 431, 641, 3017, 4487, 21119, 31409, 276271, 1933897, 13537279]

約数ペア:

[(1, 13537279), (7, 1933897), (49, 276271), (431, 31409), (641, 21119), (3017, 4487)]