1521102947

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{539207}}^1$

素因数の和:539258

約数の個数: 16

約数和(自身を含む): 1932521472

約数和(自身を除く): 411418525

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 539207, 3774449, 7009691, 16715417, 49067837, 117007919, 217300421, 1521102947]

約数ペア:

[(1, 1521102947), (7, 217300421), (13, 117007919), (31, 49067837), (91, 16715417), (217, 7009691), (403, 3774449), (2821, 539207)]