248454945

素因数分解:

$3^4\times 5^1\times {\mathrm{613469}}^1$

素因数の和:613486

約数の個数: 20

約数和(自身を含む): 445379220

約数和(自身を除く): 196924275

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 613469, 1840407, 3067345, 5521221, 9202035, 16563663, 27606105, 49690989, 82818315, 248454945]

約数ペア:

[(1, 248454945), (3, 82818315), (5, 49690989), (9, 27606105), (15, 16563663), (27, 9202035), (45, 5521221), (81, 3067345), (135, 1840407), (405, 613469)]