78565893

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{196907}}^1$

素因数の和:196936

約数の個数: 16

約数和(自身を含む): 126021120

約数和(自身を除く): 47455227

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 196907, 590721, 1378349, 3741233, 4135047, 11223699, 26188631, 78565893]

約数ペア:

[(1, 78565893), (3, 26188631), (7, 11223699), (19, 4135047), (21, 3741233), (57, 1378349), (133, 590721), (399, 196907)]