2750321

素因数分解:

$7^2\times {\mathrm{37}}^2\times {\mathrm{41}}^1$

素因数の和:129

約数の個数: 18

約数和(自身を含む): 3368358

約数和(自身を除く): 618037

約数列:

[1, 7, 37, 41, 49, 259, 287, 1369, 1517, 1813, 2009, 9583, 10619, 56129, 67081, 74333, 392903, 2750321]

約数ペア:

[(1, 2750321), (7, 392903), (37, 74333), (41, 67081), (49, 56129), (259, 10619), (287, 9583), (1369, 2009), (1517, 1813)]