858605427

素因数分解:

$3^4\times {\mathrm{577}}^1\times {\mathrm{18371}}^1$

素因数の和:18960

約数の個数: 20

約数和(自身を含む): 1284900936

約数和(自身を除く): 426295509

約数列:

[1, 3, 9, 27, 81, 577, 1731, 5193, 15579, 18371, 46737, 55113, 165339, 496017, 1488051, 10600067, 31800201, 95400603, 286201809, 858605427]

約数ペア:

[(1, 858605427), (3, 286201809), (9, 95400603), (27, 31800201), (81, 10600067), (577, 1488051), (1731, 496017), (5193, 165339), (15579, 55113), (18371, 46737)]