2781315

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3253}}^1$

素因数の和:3283

約数の個数: 24

約数和(自身を含む): 5076240

約数和(自身を除く): 2294925

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 3253, 9759, 16265, 29277, 48795, 61807, 146385, 185421, 309035, 556263, 927105, 2781315]

約数ペア:

[(1, 2781315), (3, 927105), (5, 556263), (9, 309035), (15, 185421), (19, 146385), (45, 61807), (57, 48795), (95, 29277), (171, 16265), (285, 9759), (855, 3253)]