426545271

素因数分解:

$3^4\times {\mathrm{2221}}^1\times {\mathrm{2371}}^1$

素因数の和:4604

約数の個数: 20

約数和(自身を含む): 637740664

約数和(自身を除く): 211195393

約数列:

[1, 3, 9, 27, 81, 2221, 2371, 6663, 7113, 19989, 21339, 59967, 64017, 179901, 192051, 5265991, 15797973, 47393919, 142181757, 426545271]

約数ペア:

[(1, 426545271), (3, 142181757), (9, 47393919), (27, 15797973), (81, 5265991), (2221, 192051), (2371, 179901), (6663, 64017), (7113, 59967), (19989, 21339)]