31157316

素因数分解:

$2^2\times 3^2\times {\mathrm{865481}}^1$

素因数の和:865491

約数の個数: 18

約数和(自身を含む): 78758862

約数和(自身を除く): 47601546

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 865481, 1730962, 2596443, 3461924, 5192886, 7789329, 10385772, 15578658, 31157316]

約数ペア:

[(1, 31157316), (2, 15578658), (3, 10385772), (4, 7789329), (6, 5192886), (9, 3461924), (12, 2596443), (18, 1730962), (36, 865481)]