30981645

素因数分解:

$3^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1487}}^1$

素因数の和:1961

約数の個数: 24

約数和(自身を含む): 53853696

約数和(自身を除く): 22872051

約数列:

[1, 3, 5, 9, 15, 45, 463, 1389, 1487, 2315, 4167, 4461, 6945, 7435, 13383, 20835, 22305, 66915, 688481, 2065443, 3442405, 6196329, 10327215, 30981645]

約数ペア:

[(1, 30981645), (3, 10327215), (5, 6196329), (9, 3442405), (15, 2065443), (45, 688481), (463, 66915), (1389, 22305), (1487, 20835), (2315, 13383), (4167, 7435), (4461, 6945)]