81400893

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{6143}}^1$

素因数の和:6784

約数の個数: 16

約数和(自身を含む): 124256256

約数和(自身を除く): 42855363

約数列:

[1, 3, 7, 21, 631, 1893, 4417, 6143, 13251, 18429, 43001, 129003, 3876233, 11628699, 27133631, 81400893]

約数ペア:

[(1, 81400893), (3, 27133631), (7, 11628699), (21, 3876233), (631, 129003), (1893, 43001), (4417, 18429), (6143, 13251)]