123377247

素因数分解:

$3^2\times 7^2\times {\mathrm{279767}}^1$

素因数の和:279787

約数の個数: 18

約数和(自身を含む): 207308088

約数和(自身を除く): 83930841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 279767, 839301, 1958369, 2517903, 5875107, 13708583, 17625321, 41125749, 123377247]

約数ペア:

[(1, 123377247), (3, 41125749), (7, 17625321), (9, 13708583), (21, 5875107), (49, 2517903), (63, 1958369), (147, 839301), (441, 279767)]