2453409

素因数分解:

$3^4\times 7^1\times {\mathrm{4327}}^1$

素因数の和:4346

約数の個数: 20

約数和(自身を含む): 4189504

約数和(自身を除く): 1736095

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4327, 12981, 30289, 38943, 90867, 116829, 272601, 350487, 817803, 2453409]

約数ペア:

[(1, 2453409), (3, 817803), (7, 350487), (9, 272601), (21, 116829), (27, 90867), (63, 38943), (81, 30289), (189, 12981), (567, 4327)]