13149981

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1583}}^1$

素因数の和:1673

約数の個数: 24

約数和(自身を含む): 20756736

約数和(自身を除く): 7606755

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 1583, 2769, 4749, 8307, 14247, 20579, 61737, 112393, 185211, 337179, 1011537, 1461109, 4383327, 13149981]

約数ペア:

[(1, 13149981), (3, 4383327), (9, 1461109), (13, 1011537), (39, 337179), (71, 185211), (117, 112393), (213, 61737), (639, 20579), (923, 14247), (1583, 8307), (2769, 4749)]