206566857

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{105769}}^1$

素因数の和:105813

約数の個数: 24

約数和(自身を含む): 352002560

約数和(自身を除く): 145435703

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 105769, 317307, 740383, 951921, 2221149, 3278839, 6663447, 9836517, 22951873, 29509551, 68855619, 206566857]

約数ペア:

[(1, 206566857), (3, 68855619), (7, 29509551), (9, 22951873), (21, 9836517), (31, 6663447), (63, 3278839), (93, 2221149), (217, 951921), (279, 740383), (651, 317307), (1953, 105769)]