13404405

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6719}}^1$

素因数の和:6753

約数の個数: 32

約数和(自身を含む): 25804800

約数和(自身を除く): 12400395

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 285, 399, 665, 1995, 6719, 20157, 33595, 47033, 100785, 127661, 141099, 235165, 382983, 638305, 705495, 893627, 1914915, 2680881, 4468135, 13404405]

約数ペア:

[(1, 13404405), (3, 4468135), (5, 2680881), (7, 1914915), (15, 893627), (19, 705495), (21, 638305), (35, 382983), (57, 235165), (95, 141099), (105, 127661), (133, 100785), (285, 47033), (399, 33595), (665, 20157), (1995, 6719)]