2161571499

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{178039}}^1$

素因数の和:178135

約数の個数: 24

約数和(自身を含む): 3332908800

約数和(自身を除く): 1171337301

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1349, 4047, 12141, 178039, 534117, 1602351, 3382741, 10148223, 12640769, 30444669, 37922307, 113766921, 240174611, 720523833, 2161571499]

約数ペア:

[(1, 2161571499), (3, 720523833), (9, 240174611), (19, 113766921), (57, 37922307), (71, 30444669), (171, 12640769), (213, 10148223), (639, 3382741), (1349, 1602351), (4047, 534117), (12141, 178039)]