13481405

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{5749}}^1$

素因数の和:5828

約数の個数: 16

約数和(自身を含む): 18768000

約数和(自身を除く): 5286595

約数列:

[1, 5, 7, 35, 67, 335, 469, 2345, 5749, 28745, 40243, 201215, 385183, 1925915, 2696281, 13481405]

約数ペア:

[(1, 13481405), (5, 2696281), (7, 1925915), (35, 385183), (67, 201215), (335, 40243), (469, 28745), (2345, 5749)]