27779615

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{167}}^1$

素因数の和:311

約数の個数: 32

約数和(自身を含む): 37739520

約数和(自身を除く): 9959905

約数列:

[1, 5, 17, 19, 85, 95, 103, 167, 323, 515, 835, 1615, 1751, 1957, 2839, 3173, 8755, 9785, 14195, 15865, 17201, 33269, 53941, 86005, 166345, 269705, 292417, 326819, 1462085, 1634095, 5555923, 27779615]

約数ペア:

[(1, 27779615), (5, 5555923), (17, 1634095), (19, 1462085), (85, 326819), (95, 292417), (103, 269705), (167, 166345), (323, 86005), (515, 53941), (835, 33269), (1615, 17201), (1751, 15865), (1957, 14195), (2839, 9785), (3173, 8755)]