157820319

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{84713}}^1$

素因数の和:84748

約数の個数: 20

約数和(自身を含む): 246009456

約数和(自身を除く): 88189137

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 84713, 254139, 762417, 1948399, 2287251, 5845197, 6861753, 17535591, 52606773, 157820319]

約数ペア:

[(1, 157820319), (3, 52606773), (9, 17535591), (23, 6861753), (27, 5845197), (69, 2287251), (81, 1948399), (207, 762417), (621, 254139), (1863, 84713)]