201023289

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{107903}}^1$

素因数の和:107938

約数の個数: 20

約数和(自身を含む): 313353216

約数和(自身を除く): 112329927

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 107903, 323709, 971127, 2481769, 2913381, 7445307, 8740143, 22335921, 67007763, 201023289]

約数ペア:

[(1, 201023289), (3, 67007763), (9, 22335921), (23, 8740143), (27, 7445307), (69, 2913381), (81, 2481769), (207, 971127), (621, 323709), (1863, 107903)]