213346143

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{7547}}^1$

素因数の和:7908

約数の個数: 20

約数和(自身を含む): 319657800

約数和(自身を除く): 106311657

約数列:

[1, 3, 9, 27, 81, 349, 1047, 3141, 7547, 9423, 22641, 28269, 67923, 203769, 611307, 2633903, 7901709, 23705127, 71115381, 213346143]

約数ペア:

[(1, 213346143), (3, 71115381), (9, 23705127), (27, 7901709), (81, 2633903), (349, 611307), (1047, 203769), (3141, 67923), (7547, 28269), (9423, 22641)]