381949263

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{109661}}^1$

素因数の和:109716

約数の個数: 20

約数和(自身を含む): 583840488

約数和(自身を除く): 201891225

約数列:

[1, 3, 9, 27, 43, 81, 129, 387, 1161, 3483, 109661, 328983, 986949, 2960847, 4715423, 8882541, 14146269, 42438807, 127316421, 381949263]

約数ペア:

[(1, 381949263), (3, 127316421), (9, 42438807), (27, 14146269), (43, 8882541), (81, 4715423), (129, 2960847), (387, 986949), (1161, 328983), (3483, 109661)]