81584205

素因数分解:

$3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1\times {\mathrm{211}}^1$

素因数の和:541

約数の個数: 32

約数和(自身を含む): 132796800

約数和(自身を除く): 51212595

約数列:

[1, 3, 5, 15, 149, 173, 211, 447, 519, 633, 745, 865, 1055, 2235, 2595, 3165, 25777, 31439, 36503, 77331, 94317, 109509, 128885, 157195, 182515, 386655, 471585, 547545, 5438947, 16316841, 27194735, 81584205]

約数ペア:

[(1, 81584205), (3, 27194735), (5, 16316841), (15, 5438947), (149, 547545), (173, 471585), (211, 386655), (447, 182515), (519, 157195), (633, 128885), (745, 109509), (865, 94317), (1055, 77331), (2235, 36503), (2595, 31439), (3165, 25777)]