291255507

素因数分解:

$3^4\times {\mathrm{349}}^1\times {\mathrm{10303}}^1$

素因数の和:10664

約数の個数: 20

約数和(自身を含む): 436374400

約数和(自身を除く): 145118893

約数列:

[1, 3, 9, 27, 81, 349, 1047, 3141, 9423, 10303, 28269, 30909, 92727, 278181, 834543, 3595747, 10787241, 32361723, 97085169, 291255507]

約数ペア:

[(1, 291255507), (3, 97085169), (9, 32361723), (27, 10787241), (81, 3595747), (349, 834543), (1047, 278181), (3141, 92727), (9423, 30909), (10303, 28269)]