3125815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 4893696

約数和(自身を除く): 1767881

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 353, 385, 805, 1265, 1765, 1771, 2471, 3883, 8119, 8855, 12355, 19415, 27181, 40595, 56833, 89309, 135905, 284165, 446545, 625163, 3125815]

約数ペア:

[(1, 3125815), (5, 625163), (7, 446545), (11, 284165), (23, 135905), (35, 89309), (55, 56833), (77, 40595), (115, 27181), (161, 19415), (253, 12355), (353, 8855), (385, 8119), (805, 3883), (1265, 2471), (1765, 1771)]