210309085

素因数分解:

$5^1\times 7^1\times {\mathrm{139}}^2\times {\mathrm{311}}^1$

素因数の和:601

約数の個数: 24

約数和(自身を含む): 291447936

約数和(自身を除く): 81138851

約数列:

[1, 5, 7, 35, 139, 311, 695, 973, 1555, 2177, 4865, 10885, 19321, 43229, 96605, 135247, 216145, 302603, 676235, 1513015, 6008831, 30044155, 42061817, 210309085]

約数ペア:

[(1, 210309085), (5, 42061817), (7, 30044155), (35, 6008831), (139, 1513015), (311, 676235), (695, 302603), (973, 216145), (1555, 135247), (2177, 96605), (4865, 43229), (10885, 19321)]