2019998655

素因数分解:

$3^4\times 5^1\times {\mathrm{937}}^1\times {\mathrm{5323}}^1$

素因数の和:6277

約数の個数: 40

約数和(自身を含む): 3625580112

約数和(自身を除く): 1605581457

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 937, 2811, 4685, 5323, 8433, 14055, 15969, 25299, 26615, 42165, 47907, 75897, 79845, 126495, 143721, 239535, 379485, 431163, 718605, 2155815, 4987651, 14962953, 24938255, 44888859, 74814765, 134666577, 224444295, 403999731, 673332885, 2019998655]

約数ペア:

[(1, 2019998655), (3, 673332885), (5, 403999731), (9, 224444295), (15, 134666577), (27, 74814765), (45, 44888859), (81, 24938255), (135, 14962953), (405, 4987651), (937, 2155815), (2811, 718605), (4685, 431163), (5323, 379485), (8433, 239535), (14055, 143721), (15969, 126495), (25299, 79845), (26615, 75897), (42165, 47907)]