3870423

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:756

約数の個数: 20

約数和(自身を含む): 5871888

約数和(自身を除く): 2001465

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 673, 1917, 2019, 5751, 6057, 18171, 47783, 54513, 143349, 430047, 1290141, 3870423]

約数ペア:

[(1, 3870423), (3, 1290141), (9, 430047), (27, 143349), (71, 54513), (81, 47783), (213, 18171), (639, 6057), (673, 5751), (1917, 2019)]