31153689

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{4801}}^1$

素因数の和:4917

約数の個数: 24

約数和(自身を含む): 51938432

約数和(自身を除く): 20784743

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 4801, 6489, 14403, 33607, 43209, 100821, 302463, 494503, 1483509, 3461521, 4450527, 10384563, 31153689]

約数ペア:

[(1, 31153689), (3, 10384563), (7, 4450527), (9, 3461521), (21, 1483509), (63, 494503), (103, 302463), (309, 100821), (721, 43209), (927, 33607), (2163, 14403), (4801, 6489)]