198406017

素因数分解:

$3^4\times {\mathrm{359}}^1\times {\mathrm{6823}}^1$

素因数の和:7194

約数の個数: 20

約数和(自身を含む): 297253440

約数和(自身を除く): 98847423

約数列:

[1, 3, 9, 27, 81, 359, 1077, 3231, 6823, 9693, 20469, 29079, 61407, 184221, 552663, 2449457, 7348371, 22045113, 66135339, 198406017]

約数ペア:

[(1, 198406017), (3, 66135339), (9, 22045113), (27, 7348371), (81, 2449457), (359, 552663), (1077, 184221), (3231, 61407), (6823, 29079), (9693, 20469)]