4080321

素因数分解:

$3^3\times 7^1\times {\mathrm{21589}}^1$

素因数の和:21605

約数の個数: 16

約数和(自身を含む): 6908800

約数和(自身を除く): 2828479

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 21589, 64767, 151123, 194301, 453369, 582903, 1360107, 4080321]

約数ペア:

[(1, 4080321), (3, 1360107), (7, 582903), (9, 453369), (21, 194301), (27, 151123), (63, 64767), (189, 21589)]