13491121

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{337}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 16954080

約数和(自身を除く): 3462959

約数列:

[1, 7, 19, 43, 49, 133, 301, 337, 817, 931, 2107, 2359, 5719, 6403, 14491, 16513, 40033, 44821, 101437, 275329, 313747, 710059, 1927303, 13491121]

約数ペア:

[(1, 13491121), (7, 1927303), (19, 710059), (43, 313747), (49, 275329), (133, 101437), (301, 44821), (337, 40033), (817, 16513), (931, 14491), (2107, 6403), (2359, 5719)]