2540205

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2971}}^1$

素因数の和:3001

約数の個数: 24

約数和(自身を含む): 4636320

約数和(自身を除く): 2096115

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 2971, 8913, 14855, 26739, 44565, 56449, 133695, 169347, 282245, 508041, 846735, 2540205]

約数ペア:

[(1, 2540205), (3, 846735), (5, 508041), (9, 282245), (15, 169347), (19, 133695), (45, 56449), (57, 44565), (95, 26739), (171, 14855), (285, 8913), (855, 2971)]