207786717

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{5449}}^1$

素因数の和:5697

約数の個数: 24

約数和(自身を含む): 317408000

約数和(自身を除く): 109621283

約数列:

[1, 3, 9, 19, 57, 171, 223, 669, 2007, 4237, 5449, 12711, 16347, 38133, 49041, 103531, 310593, 931779, 1215127, 3645381, 10936143, 23087413, 69262239, 207786717]

約数ペア:

[(1, 207786717), (3, 69262239), (9, 23087413), (19, 10936143), (57, 3645381), (171, 1215127), (223, 931779), (669, 310593), (2007, 103531), (4237, 49041), (5449, 38133), (12711, 16347)]