13305915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{797}}^1$

素因数の和:868

約数の個数: 48

約数和(自身を含む): 26889408

約数和(自身を除く): 13583493

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 53, 63, 105, 159, 265, 315, 371, 477, 795, 797, 1113, 1855, 2385, 2391, 3339, 3985, 5565, 5579, 7173, 11955, 16695, 16737, 27895, 35865, 42241, 50211, 83685, 126723, 211205, 251055, 295687, 380169, 633615, 887061, 1478435, 1900845, 2661183, 4435305, 13305915]

約数ペア:

[(1, 13305915), (3, 4435305), (5, 2661183), (7, 1900845), (9, 1478435), (15, 887061), (21, 633615), (35, 380169), (45, 295687), (53, 251055), (63, 211205), (105, 126723), (159, 83685), (265, 50211), (315, 42241), (371, 35865), (477, 27895), (795, 16737), (797, 16695), (1113, 11955), (1855, 7173), (2385, 5579), (2391, 5565), (3339, 3985)]