25646787

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{2417}}^1$

素因数の和:2560

約数の個数: 20

約数和(自身を含む): 38620296

約数和(自身を除く): 12973509

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 2417, 3537, 7251, 10611, 21753, 65259, 195777, 316627, 949881, 2849643, 8548929, 25646787]

約数ペア:

[(1, 25646787), (3, 8548929), (9, 2849643), (27, 949881), (81, 316627), (131, 195777), (393, 65259), (1179, 21753), (2417, 10611), (3537, 7251)]