311980041

素因数分解:

$3^2\times {\mathrm{37}}^2\times {\mathrm{25321}}^1$

素因数の和:25401

約数の個数: 18

約数和(自身を含む): 463164702

約数和(自身を除く): 151184661

約数列:

[1, 3, 9, 37, 111, 333, 1369, 4107, 12321, 25321, 75963, 227889, 936877, 2810631, 8431893, 34664449, 103993347, 311980041]

約数ペア:

[(1, 311980041), (3, 103993347), (9, 34664449), (37, 8431893), (111, 2810631), (333, 936877), (1369, 227889), (4107, 75963), (12321, 25321)]