25812513

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{7411}}^1$

素因数の和:7466

約数の個数: 20

約数和(自身を含む): 39461488

約数和(自身を除く): 13648975

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 7411, 22233, 66699, 200097, 318673, 600291, 956019, 2868057, 8604171, 25812513]

約数ペア:

[(1, 25812513), (3, 8604171), (9, 2868057), (27, 956019), (43, 600291), (81, 318673), (129, 200097), (387, 66699), (1161, 22233), (3483, 7411)]