12789171

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{3851}}^1$

素因数の和:3904

約数の個数: 20

約数和(自身を含む): 19575864

約数和(自身を除く): 6786693

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 3851, 11553, 34659, 103977, 157891, 311931, 473673, 1421019, 4263057, 12789171]

約数ペア:

[(1, 12789171), (3, 4263057), (9, 1421019), (27, 473673), (41, 311931), (81, 157891), (123, 103977), (369, 34659), (1107, 11553), (3321, 3851)]