1920177021

素因数分解:

$3^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{809177}}^1$

素因数の和:809300

約数の個数: 16

約数和(自身を含む): 2951881344

約数和(自身を除く): 1031704323

約数列:

[1, 3, 7, 21, 113, 339, 791, 2373, 809177, 2427531, 5664239, 16992717, 91437001, 274311003, 640059007, 1920177021]

約数ペア:

[(1, 1920177021), (3, 640059007), (7, 274311003), (21, 91437001), (113, 16992717), (339, 5664239), (791, 2427531), (2373, 809177)]