209330107

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{661}}^1$

素因数の和:979

約数の個数: 24

約数和(自身を含む): 255383712

約数和(自身を除く): 46053605

約数列:

[1, 7, 23, 49, 161, 281, 661, 1127, 1967, 4627, 6463, 13769, 15203, 32389, 45241, 106421, 185741, 316687, 744947, 1300187, 4272043, 9101309, 29904301, 209330107]

約数ペア:

[(1, 209330107), (7, 29904301), (23, 9101309), (49, 4272043), (161, 1300187), (281, 744947), (661, 316687), (1127, 185741), (1967, 106421), (4627, 45241), (6463, 32389), (13769, 15203)]