27905003

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{491}}^1$

素因数の和:874

約数の個数: 16

約数和(自身を含む): 33440256

約数和(自身を除く): 5535253

約数列:

[1, 7, 23, 161, 353, 491, 2471, 3437, 8119, 11293, 56833, 79051, 173323, 1213261, 3986429, 27905003]

約数ペア:

[(1, 27905003), (7, 3986429), (23, 1213261), (161, 173323), (353, 79051), (491, 56833), (2471, 11293), (3437, 8119)]