201720939

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{21881}}^1$

素因数の和:22330

約数の個数: 16

約数和(自身を含む): 308098560

約数和(自身を除く): 106377621

約数列:

[1, 3, 7, 21, 439, 1317, 3073, 9219, 21881, 65643, 153167, 459501, 9605759, 28817277, 67240313, 201720939]

約数ペア:

[(1, 201720939), (3, 67240313), (7, 28817277), (21, 9605759), (439, 459501), (1317, 153167), (3073, 65643), (9219, 21881)]