42129405

素因数分解:

$3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1447}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 73187712

約数和(自身を除く): 31058307

約数列:

[1, 3, 5, 9, 15, 45, 647, 1447, 1941, 3235, 4341, 5823, 7235, 9705, 13023, 21705, 29115, 65115, 936209, 2808627, 4681045, 8425881, 14043135, 42129405]

約数ペア:

[(1, 42129405), (3, 14043135), (5, 8425881), (9, 4681045), (15, 2808627), (45, 936209), (647, 65115), (1447, 29115), (1941, 21705), (3235, 13023), (4341, 9705), (5823, 7235)]