12745827

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{3923}}^1$

素因数の和:3967

約数の個数: 18

約数和(自身を含む): 19435572

約数和(自身を除く): 6689745

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 3923, 11769, 35307, 74537, 223611, 670833, 1416203, 4248609, 12745827]

約数ペア:

[(1, 12745827), (3, 4248609), (9, 1416203), (19, 670833), (57, 223611), (171, 74537), (361, 35307), (1083, 11769), (3249, 3923)]