213090723

素因数分解:

$3^3\times {\mathrm{73}}^2\times {\mathrm{1481}}^1$

素因数の和:1636

約数の個数: 24

約数和(自身を含む): 320289840

約数和(自身を除く): 107199117

約数列:

[1, 3, 9, 27, 73, 219, 657, 1481, 1971, 4443, 5329, 13329, 15987, 39987, 47961, 108113, 143883, 324339, 973017, 2919051, 7892249, 23676747, 71030241, 213090723]

約数ペア:

[(1, 213090723), (3, 71030241), (9, 23676747), (27, 7892249), (73, 2919051), (219, 973017), (657, 324339), (1481, 143883), (1971, 108113), (4443, 47961), (5329, 39987), (13329, 15987)]