127784321

素因数分解:

$7^1\times {\mathrm{2843}}^1\times {\mathrm{6421}}^1$

素因数の和:9271

約数の個数: 8

約数和(自身を含む): 146113344

約数和(自身を除く): 18329023

約数列:

[1, 7, 2843, 6421, 19901, 44947, 18254903, 127784321]

約数ペア:

[(1, 127784321), (7, 18254903), (2843, 44947), (6421, 19901)]