280804797

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{342863}}^1$

素因数の和:342889

約数の個数: 24

約数和(自身を含む): 499209984

約数和(自身を除く): 218405187

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 342863, 1028589, 2400041, 3085767, 4457219, 7200123, 13371657, 21600369, 31200533, 40114971, 93601599, 280804797]

約数ペア:

[(1, 280804797), (3, 93601599), (7, 40114971), (9, 31200533), (13, 21600369), (21, 13371657), (39, 7200123), (63, 4457219), (91, 3085767), (117, 2400041), (273, 1028589), (819, 342863)]