209976109

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1\times {\mathrm{1609}}^1$

素因数の和:1900

約数の個数: 16

約数和(自身を含む): 243792640

約数和(自身を除く): 33816531

約数列:

[1, 7, 103, 181, 721, 1267, 1609, 11263, 18643, 130501, 165727, 291229, 1160089, 2038603, 29996587, 209976109]

約数ペア:

[(1, 209976109), (7, 29996587), (103, 2038603), (181, 1160089), (721, 291229), (1267, 165727), (1609, 130501), (11263, 18643)]