204570891

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 96

約数和(自身を含む): 379392000

約数和(自身を除く): 174821109

約数列:

[1, 3, 7, 9, 19, 21, 31, 37, 57, 63, 93, 111, 133, 149, 171, 217, 259, 279, 333, 399, 447, 589, 651, 703, 777, 1043, 1147, 1197, 1341, 1767, 1953, 2109, 2331, 2831, 3129, 3441, 4123, 4619, 4921, 5301, 5513, 6327, 8029, 8493, 9387, 10323, 12369, 13857, 14763, 16539, 19817, 21793, 24087, 25479, 32333, 37107, 38591, 41571, 44289, 49617, 59451, 65379, 72261, 87761, 96999, 104747, 115773, 152551, 170903, 178353, 196137, 263283, 290997, 314241, 347319, 457653, 512709, 614327, 733229, 789849, 942723, 1196321, 1372959, 1538127, 1842981, 2199687, 3247157, 3588963, 5528943, 6599061, 9741471, 10766889, 22730099, 29224413, 68190297, 204570891]

約数ペア:

[(1, 204570891), (3, 68190297), (7, 29224413), (9, 22730099), (19, 10766889), (21, 9741471), (31, 6599061), (37, 5528943), (57, 3588963), (63, 3247157), (93, 2199687), (111, 1842981), (133, 1538127), (149, 1372959), (171, 1196321), (217, 942723), (259, 789849), (279, 733229), (333, 614327), (399, 512709), (447, 457653), (589, 347319), (651, 314241), (703, 290997), (777, 263283), (1043, 196137), (1147, 178353), (1197, 170903), (1341, 152551), (1767, 115773), (1953, 104747), (2109, 96999), (2331, 87761), (2831, 72261), (3129, 65379), (3441, 59451), (4123, 49617), (4619, 44289), (4921, 41571), (5301, 38591), (5513, 37107), (6327, 32333), (8029, 25479), (8493, 24087), (9387, 21793), (10323, 19817), (12369, 16539), (13857, 14763)]