278300805

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{10211}}^1$

素因数の和:10321

約数の個数: 32

約数和(自身を含む): 470568960

約数和(自身を除く): 192268155

約数列:

[1, 3, 5, 15, 23, 69, 79, 115, 237, 345, 395, 1185, 1817, 5451, 9085, 10211, 27255, 30633, 51055, 153165, 234853, 704559, 806669, 1174265, 2420007, 3522795, 4033345, 12100035, 18553387, 55660161, 92766935, 278300805]

約数ペア:

[(1, 278300805), (3, 92766935), (5, 55660161), (15, 18553387), (23, 12100035), (69, 4033345), (79, 3522795), (115, 2420007), (237, 1174265), (345, 806669), (395, 704559), (1185, 234853), (1817, 153165), (5451, 51055), (9085, 30633), (10211, 27255)]