431736381

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{28571}}^1$

素因数の和:28673

約数の個数: 24

約数和(自身を含む): 659670336

約数和(自身を除く): 227933955

約数列:

[1, 3, 9, 23, 69, 73, 207, 219, 657, 1679, 5037, 15111, 28571, 85713, 257139, 657133, 1971399, 2085683, 5914197, 6257049, 18771147, 47970709, 143912127, 431736381]

約数ペア:

[(1, 431736381), (3, 143912127), (9, 47970709), (23, 18771147), (69, 6257049), (73, 5914197), (207, 2085683), (219, 1971399), (657, 657133), (1679, 257139), (5037, 85713), (15111, 28571)]