1220787555

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{337}}^1\times {\mathrm{1429}}^1$

素因数の和:1800

約数の個数: 48

約数和(自身を含む): 2122829280

約数和(自身を除く): 902041725

約数列:

[1, 3, 5, 13, 15, 39, 65, 169, 195, 337, 507, 845, 1011, 1429, 1685, 2535, 4287, 4381, 5055, 7145, 13143, 18577, 21435, 21905, 55731, 56953, 65715, 92885, 170859, 241501, 278655, 284765, 481573, 724503, 854295, 1207505, 1444719, 2407865, 3622515, 6260449, 7223595, 18781347, 31302245, 81385837, 93906735, 244157511, 406929185, 1220787555]

約数ペア:

[(1, 1220787555), (3, 406929185), (5, 244157511), (13, 93906735), (15, 81385837), (39, 31302245), (65, 18781347), (169, 7223595), (195, 6260449), (337, 3622515), (507, 2407865), (845, 1444719), (1011, 1207505), (1429, 854295), (1685, 724503), (2535, 481573), (4287, 284765), (4381, 278655), (5055, 241501), (7145, 170859), (13143, 92885), (18577, 65715), (21435, 56953), (21905, 55731)]