31240815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1213}}^1$

素因数の和:1339

約数の個数: 32

約数和(自身を含む): 53493696

約数和(自身を除く): 22252881

約数列:

[1, 3, 5, 15, 17, 51, 85, 101, 255, 303, 505, 1213, 1515, 1717, 3639, 5151, 6065, 8585, 18195, 20621, 25755, 61863, 103105, 122513, 309315, 367539, 612565, 1837695, 2082721, 6248163, 10413605, 31240815]

約数ペア:

[(1, 31240815), (3, 10413605), (5, 6248163), (15, 2082721), (17, 1837695), (51, 612565), (85, 367539), (101, 309315), (255, 122513), (303, 103105), (505, 61863), (1213, 25755), (1515, 20621), (1717, 18195), (3639, 8585), (5151, 6065)]