18295221

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{13003}}^1$

素因数の和:13080

約数の個数: 16

約数和(自身を含む): 28296704

約数和(自身を除く): 10001483

約数列:

[1, 3, 7, 21, 67, 201, 469, 1407, 13003, 39009, 91021, 273063, 871201, 2613603, 6098407, 18295221]

約数ペア:

[(1, 18295221), (3, 6098407), (7, 2613603), (21, 871201), (67, 273063), (201, 91021), (469, 39009), (1407, 13003)]