1520987901

素因数分解:

$3^1\times {\mathrm{139}}^1\times {\mathrm{1231}}^1\times {\mathrm{2963}}^1$

素因数の和:4336

約数の個数: 16

約数和(自身を含む): 2044922880

約数和(自身を除く): 523934979

約数列:

[1, 3, 139, 417, 1231, 2963, 3693, 8889, 171109, 411857, 513327, 1235571, 3647453, 10942359, 506995967, 1520987901]

約数ペア:

[(1, 1520987901), (3, 506995967), (139, 10942359), (417, 3647453), (1231, 1235571), (2963, 513327), (3693, 411857), (8889, 171109)]