81130209

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{20047}}^1$

素因数の和:20140

約数の個数: 16

約数和(自身を含む): 115476480

約数和(自身を除く): 34346271

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 20047, 60141, 380893, 1142679, 1423337, 4270011, 27043403, 81130209]

約数ペア:

[(1, 81130209), (3, 27043403), (19, 4270011), (57, 1423337), (71, 1142679), (213, 380893), (1349, 60141), (4047, 20047)]