7842789

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{199}}^1$

素因数の和:385

約数の個数: 24

約数和(自身を含む): 11856000

約数和(自身を除く): 4013211

約数列:

[1, 3, 9, 29, 87, 151, 199, 261, 453, 597, 1359, 1791, 4379, 5771, 13137, 17313, 30049, 39411, 51939, 90147, 270441, 871421, 2614263, 7842789]

約数ペア:

[(1, 7842789), (3, 2614263), (9, 871421), (29, 270441), (87, 90147), (151, 51939), (199, 39411), (261, 30049), (453, 17313), (597, 13137), (1359, 5771), (1791, 4379)]