291574209

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{72047}}^1$

素因数の和:72140

約数の個数: 16

約数和(自身を含む): 414996480

約数和(自身を除く): 123422271

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 72047, 216141, 1368893, 4106679, 5115337, 15346011, 97191403, 291574209]

約数ペア:

[(1, 291574209), (3, 97191403), (19, 15346011), (57, 5115337), (71, 4106679), (213, 1368893), (1349, 216141), (4047, 72047)]