249968019

素因数分解:

$3^1\times 7^1\times {\mathrm{2129}}^1\times {\mathrm{5591}}^1$

素因数の和:7730

約数の個数: 16

約数和(自身を含む): 381150720

約数和(自身を除く): 131182701

約数列:

[1, 3, 7, 21, 2129, 5591, 6387, 14903, 16773, 39137, 44709, 117411, 11903239, 35709717, 83322673, 249968019]

約数ペア:

[(1, 249968019), (3, 83322673), (7, 35709717), (21, 11903239), (2129, 117411), (5591, 44709), (6387, 39137), (14903, 16773)]