2157351

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6043}}^1$

素因数の和:6070

約数の個数: 16

約数和(自身を含む): 3481344

約数和(自身を除く): 1323993

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 6043, 18129, 42301, 102731, 126903, 308193, 719117, 2157351]

約数ペア:

[(1, 2157351), (3, 719117), (7, 308193), (17, 126903), (21, 102731), (51, 42301), (119, 18129), (357, 6043)]