218878995

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{809}}^1\times {\mathrm{1061}}^1$

素因数の和:1895

約数の個数: 32

約数和(自身を含む): 371615040

約数和(自身を除く): 152736045

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 809, 1061, 2427, 3183, 4045, 5305, 12135, 13753, 15915, 18037, 41259, 54111, 68765, 90185, 206295, 270555, 858349, 2575047, 4291745, 12875235, 14591933, 43775799, 72959665, 218878995]

約数ペア:

[(1, 218878995), (3, 72959665), (5, 43775799), (15, 14591933), (17, 12875235), (51, 4291745), (85, 2575047), (255, 858349), (809, 270555), (1061, 206295), (2427, 90185), (3183, 68765), (4045, 54111), (5305, 41259), (12135, 18037), (13753, 15915)]