3978795

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:219

約数の個数: 32

約数和(自身を含む): 6697728

約数和(自身を除く): 2718933

約数列:

[1, 3, 5, 15, 37, 67, 107, 111, 185, 201, 321, 335, 535, 555, 1005, 1605, 2479, 3959, 7169, 7437, 11877, 12395, 19795, 21507, 35845, 37185, 59385, 107535, 265253, 795759, 1326265, 3978795]

約数ペア:

[(1, 3978795), (3, 1326265), (5, 795759), (15, 265253), (37, 107535), (67, 59385), (107, 37185), (111, 35845), (185, 21507), (201, 19795), (321, 12395), (335, 11877), (535, 7437), (555, 7169), (1005, 3959), (1605, 2479)]