407902881

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{9721}}^1$

素因数の和:9992

約数の個数: 16

約数和(自身を含む): 554387328

約数和(自身を除く): 146484447

約数列:

[1, 3, 71, 197, 213, 591, 9721, 13987, 29163, 41961, 690191, 1915037, 2070573, 5745111, 135967627, 407902881]

約数ペア:

[(1, 407902881), (3, 135967627), (71, 5745111), (197, 2070573), (213, 1915037), (591, 690191), (9721, 41961), (13987, 29163)]