638297055

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{4903}}^1$

素因数の和:5188

約数の個数: 48

約数和(自身を含む): 1211798016

約数和(自身を除く): 573500961

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 263, 495, 789, 1315, 2367, 2893, 3945, 4903, 8679, 11835, 14465, 14709, 24515, 26037, 43395, 44127, 53933, 73545, 130185, 161799, 220635, 269665, 485397, 808995, 1289489, 2426985, 3868467, 6447445, 11605401, 14184379, 19342335, 42553137, 58027005, 70921895, 127659411, 212765685, 638297055]

約数ペア:

[(1, 638297055), (3, 212765685), (5, 127659411), (9, 70921895), (11, 58027005), (15, 42553137), (33, 19342335), (45, 14184379), (55, 11605401), (99, 6447445), (165, 3868467), (263, 2426985), (495, 1289489), (789, 808995), (1315, 485397), (2367, 269665), (2893, 220635), (3945, 161799), (4903, 130185), (8679, 73545), (11835, 53933), (14465, 44127), (14709, 43395), (24515, 26037)]