13380561

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 20134400

約数和(自身を除く): 6753839

約数列:

[1, 3, 9, 31, 93, 199, 241, 279, 597, 723, 1791, 2169, 6169, 7471, 18507, 22413, 47959, 55521, 67239, 143877, 431631, 1486729, 4460187, 13380561]

約数ペア:

[(1, 13380561), (3, 4460187), (9, 1486729), (31, 431631), (93, 143877), (199, 67239), (241, 55521), (279, 47959), (597, 22413), (723, 18507), (1791, 7471), (2169, 6169)]