212215539

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{9931}}^1$

素因数の和:10370

約数の個数: 16

約数和(自身を含む): 300343680

約数和(自身を除く): 88128141

約数列:

[1, 3, 17, 51, 419, 1257, 7123, 9931, 21369, 29793, 168827, 506481, 4161089, 12483267, 70738513, 212215539]

約数ペア:

[(1, 212215539), (3, 70738513), (17, 12483267), (51, 4161089), (419, 506481), (1257, 168827), (7123, 29793), (9931, 21369)]